All 1021 45822

8S& V!

NSRDS-NBS 43

u.s.

DEPARTMENT

OF

COMMERCE

National

Bureau

of

Standards

100

.U513

mo. *4-3 ma

C'Z

N SRD S

Selected

Specific Rates of Reactions

of Transients from Water

in Aqueous Solution.

1. Hydrated Electron
NATIONAL BUREAU OF STANDARDS

The National Bureau of Standards1 was established by an act of Congress March 3, 1901. The Bureau’s overall goal is to strengthen and advance the Nation’s science and

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6 1973

US73

v) o V3

19 73

Selected Specific Rates of

Reactions of Transients From Water

in Aqueous Solution.

1. Hydrated Electron

Michael Anbar

Stanford Research Institute,

Menlo Park, Calif. 94025

and

Mark Bambenek and Alberta B. Ross

Radiation Chemistry Data Center,

Radiation Laboratory,

University of Notre Dame,

Notre Dame, Ind. 46556

U.S. DEPARTMENT OF COMMERCE, Frederick B. Dent, Secretary

NATIONAL BUREAU OF STANDARDS, Richard W. Roberts, Director

Issued May 1973

t //
Library of Congress Catalog Number: 72-600064

NSRDS-NBS 43

Nat. Stand. Ref. Data Ser., Nat. Bur. Stand. (U.S.), 43, 67 pages (May 1973)

CODEN: NSRDAP

© 197 3 by the Secretary of Commerce on Behalf of the United States Government

For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C., 20402

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Price: 90 cents, domestic postpaid; 65 cents, GPO Bookstore
Foreword

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Richard W. Roberts, Director

III
Preface

This report is one of a series of data publications on radiation chemistry; the aim of the series

is to compile, evaluate, and present the numerical results on processes occurring in systems which

have been subjected to ionizing radiation. Various kinds of data are important in radiation chemistry. The quantities which were measured first were the observed radiation yields or G values (molecules formed or destroyed per 100 eV). Various indirect methods based on G values have been used to determine yields of transient species and relative rates of reactions. The spectral properties (optical,

electron spin resonance) of transients have provided a direct method for their identification, and rates of the very fast reactions of transients which occur in irradiated systems have been measured directly

by spectroscopic methods. Conductivity and luminescence methods have also provided a means of

measuring properties of transients and their kinetics. Some reactions which occur in irradiated systems

have also been studied by other methods, such as photochemistry, electric discharge, ultrasonics, chemical initiation, electron impact, etc. The emphasis in these publications is on the data of radiation

chemistry, but where other pertinent data exist, they are included.

I The data of radiation chemistry are voluminous; thousands of systems have been investigated.

As a result there are certain collections, e.g. rate constants of particular types of reactions or certain

properties of transients, for which tabulations of the data are considered essential, but for which

critical assessment of each value is impossible. On the other hand, certain systems and properties

have been studied so extensively that critical examination of these data is desirable and timely.

Authors of this series of data publications have been asked to evaluate the extent to which the data can be critically assessed, to describe their criteria for evaluation, and to designate preferred values

whenever possible.

IV
Contents

Page Foreword Ill Preface IV

Introduction 1 Arrangement of Tables 2

Table 1. Properties of the hydrated electron 3

Table 2. Reactions of eaq with water and transients from water. (1.1—1.10) 4

Table 3. Reactions of eaq with inorganic solutes. (1.11-1.283) 5

Table 4. Reactions of ea q with organic solutes. (1.284-1.661) 19

Chemical structure index 38

Formula index 41

References 47

V

Selected Specific Rates of Reactions of Transients from Water in Aqueous Solution.

I. Hydrated Electron

Michael Anbar

Stanford Research Institute, Menlo Park, Calif. 94025

•

' •• I Mark Bambenek and Alberta B. Ross

Radiation Chemistry Data Center, Radiation Laboratory, * University of Notre Dame,

Notre Dame, Ind. 46556

Rates of reactions of hydrated electrons with over 700 different organic and inorganic molecules,

ions, and transients have been tabulated. Most of the data are derived from pulse radiolysis of aqueous

solutions; results from photolysis and from steady-state radiolysis by competition kinetics are also included. Key words: Aqueous solution; chemical kinetics; data compilation; hydrated electron; radiation chemistry; rates.

Introduction

The hydrated electron is unique not only by its nature and by its chemical properties, but also by the

fact that its reactions have been quantitatively

investigated with a larger number of different

chemical species than any other reagent. A

compilation of the rate constants of the reactions of

the hydrated electron became a necessity as a result

of the accumulation of data on the kinetic behavior of

hundreds of different compounds. This was true already in 1965 when a compilation of rate data was

first published (Anbar and Neta, 65-0245). Less than

two years later two additional compilations were

published (Hart, 66-0757, and Anbar and Neta, 67-

0103). Three years later a new compilation appeared

in Hart and Anbar's monograph, "The Hydrated

Electron," 70-0482. The last compilation, which does

not claim to be comprehensive, includes about 450

different compounds as compared with 410 in the

1967 compilation. The present tables, which are as comprehensive as possible, include close to 700

compounds and derive the information from about

180 references compared with 32, 59, and about 90

* The Radiation Laboratory is operated under contract with The

Atomic Energy Commission. The work of the Center is supported

jointly by The National Bureau of Standards, Office of Standard

Reference Data and The Atomic Energy Commission. This is AEC Document COO—38— 759.

references in the 1966, 1967, and 1970 compilations,

respectively. The rate of generation of new data has

diminished in recent years, and the time has come

for consolidation of the information which may now

stimulate more systematic work on the chemistry of

the hydrated electron.

Unlike the last two compilations, we have not

limited ourselves to rate data obtained by pulse

radiolysis, but have also included specific rates obtained by competition kinetics. This has been done

primarily when no pulse radiolysis data were

available and when a good agreement was found

between pulse radiolysis and competition kinetic

data. The latter type of data were included primarily

in order to point out systems which are not

complicated by secondary reactions. It may be stated

in general that direct measurement of the decay of e“q is by far the most reliable kinetic method whereas

any rate constants derived by competition kinetics

ishould be used with caution. Of the different

reagents used in competition kinetics, one should

avoid small molecules with high electron affinity such

as O2 or N2 0 as specific competitors for e^. These

reagents can easily abstract an electron from a longlived electron adduct and thus lead to erroneous

kinetic data. p-Bromophenol, nitrate ions and sulfur

hexafluoride seem to be more reliable competitors.

1
the latter having the advantage of enhanced

analytical sensitivity by producing 6 fluoride ions per

electron. Standard values have been chosen and used

consistently throughout the tables for normalizing

relative rates of the competitors, H

+

, N2 0, 02 , SF6 , NOj, acetone, p -bromophenol, chloroacetate ion anc|

chloroacetic acid with other solutes.

In selecting the rate data from pulse radiolysis

studies, we have included every rate constant

reported except for some of those which have been

superseded by more reliable measurements by the

same author. We have avoided duplication of

references in cases where it was obvious that two or more publications report one and the same

experimental result. In several cases unexplained discrepancies

between reported values exist; if the solute

concentration is greater then 10

_1 M , the presence of

reactive impurities could account for the variation in measured values. In most cases the specific rate included in the tables is the observed rate constant,

kobs , corrected only for the spontaneous decay of e~q in the same solute-free matrix. Wherever a rate constant corrected for salt effects or for dissociation

constant of an acid was reported, we introduced it into the specific rate column of the table, putting lc obB under Comments . Wherever not specified, the reported rate constant

is the value for ambient temperatures, 15—25°C.

Since the activation energy of e“q reactions is low,

little uncertainty is introduced by the lack of

information on the exact temperature of

measurement. Unfortunately there are only a few

studies in which the energy of activation was

measured and even some of these are open to criticism (see for instance Anbar and Hart, 70—0482,

Ch. VIIIA). Measured values of E & have been

included under Comments . The ionic strength evidently has a pronounced

effect on the reaction rates of e“q with positive and

negative ions, and moderate effects are expected

even with neutral species. Many kinetic results were

reported without specifying the ionic strengths, but

wherever such data were available they have been

included under Comments . No attempt was made,

however, to calculate kC0T extrapolated to /x = 0

because of the lack of exact information on the

changes in activity coefficient of e~q and of the other

reagents with /x, especially in concentrated solutions.

Wherever kC0T was calculated by an author, it was

cited, leaving A: obs for Comments, otherwise A: 0bs was

cited and any available information on the ionic

strength was reported under Comments .

Arrangement of Tables

Solute and reaction. The reactions may involve

electron attachment (e~

q + AB -5> AB“) or dissociative

electron attachment (e~

q + AB -> A

- + B). If products

have not been identified, no reaction has been

included in the tables. In some cases the products of

the electron attachment reaction have been identified

and the reaction has been included. In some cases products have been identified after subsequent steps

and an overall reaction has been included.

Table 2 contains the reactions of e~q with transient

species formed in water by irradiation. Arrangement

in Table 3 (inorganic ions and molecules) is alphabetical by main element; in Table 4

arrangement of the organic ions and molecules is alphabetical by name. In most cases the IUPAC

name has been used, however some complex

materials are listed by a common name.

Solute concentrations were usually less than 10-3 M\

if a higher concentration was reported it has been

noted under Comments. Measurements were commonly made in the presence of a small

concentration of an alcohol which acts as an OH

scavenger. The absence of such a scavenger has

been noted under Comments whenever that

information was included in the reported

^experimental details.

Specific rate, k. In some cases the reported

numerical values for k have been rounded off to two

significant figures. Error limits have been given as reported; we have made no attempt to assess sources

of error and assign limits. Values corrected to zero

ionic strength have been marked (cor.). Values

obtained indirectly from relative rates have been

marked (rel.) and the reported rate ratios given under

Comments. Values calculated for dissociated or undissociated acids using kohs , the pH of the solutions

and the p K of the acid have been marked (calcd.)

Method. Abbreviations used in the Method

column include:

r. radiolysis

y-r. gamma-radiolysis

X — r. X-radiolysis

p.r. pulse radiolysis

phot. photoylsis

f. phot. flash photolysis

Further details of the method used have been

included in the Comments column with the aid of the

following abbreviations.

c. k. competition kinetics

d. k. decay kinetics

p.b.k. product buildup kinetics

2
Unless otherwise noted, measurements by pulse

radiolysis or flash photolysis were made by

observation of the decay of e”q absorption at 540—720

nm.

Activation energy, Ea

. The temperature range

studied and activation energies measured have been

given under Comments. Entries in which Ea are included are: 1.1, 1.3, 1.30, 1.55, 1.61, 1.62, 1.143,

1.146, 1.173, 1.175, 1.188, 1.189, 1.240, 1.265, 1.286,

1.299, 1.313, 1.326, 1.327, 1.331, 1.343, 1.348, 1.358,

1.366, 1.376, 1.386, 1.433, 1.499, 1.551, 1.559, 1.577,

1.578, 1.596, 1.650

References. The serial number used in Radiation

Chemistry Data Center files has been used for citing

references; the first two digits of the number

represent year. In the citation the number is preceded by the first four letters of the first author's

name followed by a period for additional authors, e.g. Buxt. 68-0153 and Bark. ..70— 0243. Four periods

denote four or more co-authors.

Indexes. Since alphabetical arrangements were

chosen for listing the solutes in the tables, indexes

have been included as an aid in locating entries for

individual compounds or groups of compounds. The

chemical structure index is an aid for locating classes

of solutes related by structural features. The formula

index is an aid for locating a specific compound or

ion. The formulas contain the elements arranged in

alphabetical order except for carbon compounds, in

which C and H precede the alphabetical

arrangement. The indexes refer to entry numbers in

the tables.

Abbreviations, symbols and units. Formulas for

complex ions contain the following ligand

abbreviations: EDTA = ethylenediaminetetracetato; en = ethylenediamine; dien = diethylenetriamine;

bipy =2,2'-bipyridine; phen = 1,10— phenanthroline;

gly = glycine; et4 dien =tetraethyldiethylenetriamine;

NTA = nitrilotriacetato; acac =acetylacetone.

Abbreviations used in describing Method have been

listed above. Other abbreviations and symbols

include the following:

addn. addition

anal. analysis

aq aqueous

atm. atmospheres

calcd. calculated

compd. compound

concn. concentration

cor. corrected

detd. determined

ej hydrated electron in D2 0

3

activation energy

elec, condy. electrical conductivity

equil. equilibrium

estimated

primary radiation yield; (molecules or ions per 100 eV absorbed)

radiation yield; (molecules or ions per

100 eV absorbed)

specific rate

ionic strength

wt. molecular weight

observed

relative

second

saturated

solution

half-life

The energy and pressure units in these tables do not

conform to proposed international usage (SI units;

Systeme International); therefore, conversion factors are listed below for the purpose of making these

tables most generally useful. Concentration (mol/dm3

) has been designated by M for convenience and

brevity.

estd.

g

k

mol.

obs.

rel.

ssatd.

soln.

*

1/2

1 kcal = 4.184 kj

1 eV = 1.602 x 1(T 19 J

1 atm = 101 325 N/m2

1 bar = 1 x 105 N/m2

Table 1 . Properties ofeaq at 25 °C a

Absorption maximum (nm) 715 Absorption maximum (eV) 1.73 Extinction coefficient, e (715 nm) (dm 3 mol 'em

1 1 0

4

) 1.85 dh v/dT (0 to 100°C) (eV-deg

-1 10

3

) -2.9 Half-width (eV) 0.93

Oscillator strength 0.71 ESR g-factor 2.0002 ESR line width (gauss) < 0.5 Charge —1

Radius of charge distribution (angstroms or cm-108

) 2.5 to 3.0 Primary yield, g(e aq ), pH 7 2.65

Diffusion coefficient (cm

2 s1 105

) 4.90 Equivalent conductivity (mho-cm 2

) 190

Mobility (cm 2 V 's

1 103

) 1.98 AF hyd (kealmol ') —37.4

AS hyd (cal-mol 'deg ') —1.9 AH hyd (keal mol ') —38.1 r(e;q +H->l/2H 2 )(V) 2.77

“Hart, E. J. and Anbar, M., The Hydrated Electron, New York,

Wiley, 1970, p. 225.

491-262 OL - 73 - 2
Table 2. Reactions of e aq with water and transients from water

No. Solute and Reaction pH |&(dm 3 mol *s *) Method Comments Ref.

1.1 H 2 0

e ;q + h2 o ^ h + oh"

8. 3-9.0 (1.6 ± 0.1) x 10

1 p.r. computer anal.; contains 7 x 10~4 M H2

.

Hart.. 66-0015

8.3 — p.r. k detd. at 5—81°C to give

E m = 4.5 ± 1 kcal mol *. Fiel. 67-0532

11 (2.2 ± 0.6) x 10

1 p.r. contains Ba(OH)2 and 4 x 103 M

formate ion; extrapolated to Swal68-0418

formate concn. = 0. > 7 2.7 x 10

1 (rel.) y-r. c.k., assume k(e. q + N03 ) =

1.1 x 10

10

, soln. contains

3 x 10

5 M NaNOa and 5 x 10

2 M

glucose; pressures up to 8.85

kbar.

Hent.70—0056

1.2 d 2 o 9.39 1.25 ± 0.5 p.r. computer anal., Dz O soln. satd. Hart. 68-0025

e d + D 2 0 -s> D + OD with D2

. 1.3 e *q - (6.5 ± 1.0) x 10

9 p.r. — Dorf. 63-0045

e «q + e «q H 2 + 20H 13 5 x 10

9 p.r. — Gord.... 63-0050

10.9 (4.3 ± 0.8) x 10

9

, p.r. — Gord.... 63-0073

13.3 (5.5 ± 0.7) x 10

9 p.r. soln. in equil. with 100 atm. H2

. Math. 65-0009

12 (6.3 ± 1) x 10

9 y-r. steady— state method, soln. H2 -satd., method less reliable, k detd. at 10 — 93°C to give

E a = 5.2 ± 0.3 kcal mol '.

Gott. 67-0109

11 6 x 10

9 f.phot. soln. H2 -satd. Schm.68— 7143

12.7 5.0 x 10

9 (cor.) p.r. apparent change in k with pH

has been obs. Brus70-0749

1.4 e d 13.4 6.0 x 10

9 p.r. computer anal., D2 0 soln. Hart. 68-0025

e d + e d D 2 + 20D contains 5.7 x 10

3 M D2

. 1.5 H 10.9 ~ 3 x 10

10 p.r. — Gord.... 63-0073

e^q + H -5> H 2 + OH" 10.5 (2.5 ± 0.6) x 10

10 p.r. soln. is in equil. with 100 atm. H 2

. Math. 65—0009

1.6 D 9.39 (2.8 ± 0.2) x 10

10 p.r. soln. contains 4.5 x 103 Hart. 68-0025

e d + D -s> D 2 + OD" M D2 in D2 0.

1.7 OH 10.5 (3.0 ± 0.7) x 10

10 p.r. soln. contains only NaOH. Math. 65-0009

e."

q + OH OH" 11 3 x

10‘° p.r. — Gord.. ..63-00730

1.8 OD 11.15 (2.8 ± 0.2) x 10

10 p.r. computer anal., Dz O soln. of Hart. 68-0025

e d + OD -$> OD NaOD.

1.9 O'

e ; q + 0" 2 OH"

13 (2.2 ± 0.6) x 10

10 p.r. soln. in equil. with 50 atm. H2 , contains NaOH; not very

reliable value.

Math. 65-0009

1.10 0" 11.1 1.3 x 10

10 p.r. d.k. at 650 nm(e iq ); Grue...71—0171

e

q + 0 2 0 2 computer anal.

*

4
Table 3. Reactions of e aq with inorganic solutes

No. Solute and Reaction pH &(dm 3 mol *s 1

) Method Comments Ref.

1.11 Ag+ 7 (3.6 ± 0.4) x 10

10 p.r. Gord 63-0073

e., + Ag

+ Ag° 7

7

7

3.5 x 10

10

(4.3 ± 0.2) x 10

10

(4.5 ± 0.5) x 10

10

p.r.

p.r.

p.r.

d.k. at 720 nm as well as

at 360 nm (Ag°), counter ion so

2-

. counter ion S04 . p.b.k. at 365 nm (Ag°), counter ion SO2

- .

Puki.. 68-0431

Beva68-0436

Beva68—0436

1.12 Ag(NH3 ) 2+ e.q + Ag(NH3 )j -5> Ag° + 2 NH3

3.2 x 10

10 p.r. d.k. at 720 nm as well as p.b.k.

at 360 nm(Ag°), counter ion SO2

; soln. contains 0.1 MNH3

.

Puki. 68-0435

1.13 Ag(CN)' 10 (1.5 ± 0.2) x 10

9 p.r. contains 0.1 M CN , counter ion CIO"

Anba. 65-0047

1.14 Ag(NTA)2” 10.9 (4.4 ± 0.9) x 10

9 p.r counter ion S04 "; soln. contains 2 x 10

2 Af

nitrilotriacetic acid.

Meye. 69-0277

1.15 Ag(EDTA)3' 12 1.6 x 10

9 p.r. fi = 0.2. Anba. 69-0276

1.16 ai"; 6.8

11.2

(2.0 ± 0.3) x 10

9

(4.0 ± 1.0) x 10®

p.r.

p.r. counter ion C10 4

. counter ions C10 4 , Na

+

. Anba.65-0047

Anba. 65-0047

1.17 Al(OH); 14 (5.5 ± 1.2) x 10

6 p.r. counter ion C10 4

. Anba.65-0047

1.18 Al(gly) 3 11.1 < 1.8 x 10

7 p.r. counter ion S04 "; soln. contains 10” M glycine.

Meye. 69-0277

1.19 Al(NTA) 10.9 > 1 x 10

8 p.r. soln. contains 2 x 10

-2 M

nitrilotriacetic acid, 10”2 M A12 (S04 ) 3

.

Meye69-0277

1.20 Al(NTA)3 ' 10.9 < 2 x 10

7 p.r. soln. contains 2 x 10

2 M

nitrilotriacetic acid, 10"3 M A12 (S04 ) 3

.

Meye. 69-0277

1.21 Al(EDTA)” 12 3.0 x 10

7 p.r. fi = 0.2. Anba. 69-0276

1.22 As0 2 10.6 5.5 x 10

8 (cor.) p.r. counter ion Na +

; /x = 0.0075

Af; k ob.= 5.9 x 10

8

. Anba. 68-0295

1.23 H 2 As0 4 + HAs0 4 7.2 (2.1 ± 0.3) x 10

8 p.r. ~ 30% H2 As04 , thus k(e aq + H2 AsO^) =

(2.3 ± 0.3) x 10

8 has been

calcd.

Anba.65-0047

HAsO 2 " 11.0 1.9 x 10® (cor.) p.r. M = 10

3 M; k ob,= 2.0 x 10

8

. Anba. 68-0295

1.24 AsF 6

- 7.0 (9.0 ± 0.9) x 10

9 p.r. — Anba.65-0047

1.25 Au(CN)2 e^q + Au(I)11 (8.0 ± 0.5) x 10

9 p.r. p.b.k. at 410 nm

KAu(CN)2 , 10"3 M NaOH.

Ghos. 68-0302

(Au(I)e”

q )° 10.6 3.5 x 10

9 (cor.) p.r. counter ion K

+

; /j. = 10

2 M;

i ob. = 4.2x 10

9

. Anba. 68-0295

1.26 bf; 5.8 < 2.3 x 10

s (cor.) p.r. counter ion Na+

; /j. = 0.2; k ob.= 4.0 x 10

s

. Anba.68-0295

1.27 Br 2 e~q + Br2 -5> 2Br”

7 1.3 x 10

10 p.r. d.k. at 365 nm (Br^), computer

anal., soln. contains

10

4 - 10”2 Af KBr; assumed

for competing reactions

*(e.-q + Br2 ) = k(e”q +

BrJ) = 1 x 10

10

.

Math...65-0425

1.28 BrO”

e. q + BrO -3> Br" + 0”

13 (1.5 ± 0.5) x 10

10

(cor.)

p.r. counter ion Na ; yn = 0.1; k ob. = (2.3 ± 0.5) x 10

10

; see also 68—0152 for c.k. with N2 0 giving k = (1.2—

2.5) x 10

10 at pH 10-14.

Buxt.. 66-0184

Buxt. 68-0153

1.29 Br0 2 e^q + Br0 2 -5> BrO + O

2"

13 (1.1 ± 0.2) x 10

10

(cor.)

p.r. counter ions Na+

, Br03 , Br”; /a = 0.1; k ob. =

(1.8 ± 0.2) x 10

10

.

Buxt. 68—0153

1.30 Br0 3 7 (2.1 ± 0.3) x 10

9 p.r. counter ion K

+

. Anba.65-0047

e.q + Br0 3

-5> BrO 2 " 11 (3.7 ± 0.5) x 10

9 p.r. counter ion K ; k oba = Anba.65-0047

5
Table 3. Reactions of e aq with inorganic solutes —Continued

No. Solute and Reaction pH A:(dm 3 mol _1s *) Method Comments Ref. ^ Br03 H‘ + OH" (cor.) (3.8 ± 0.5) x IO

9

.

-3> Br0 2 + OH 14 (2.4 ± 0.7) x 10

9 p.r. counter ion K

+

; k oba = Anba. 65-0047

(cor.)

0. LO 00 +1 © X 0

3 MOH' (5.3 ± 0.6) x 10

9 p.r. counter ions K

+

; Na +

. Anba. 65-0047

13 (2.3 ± 0.2) x 10

9 p.r. counter ion K

+

; /u. = 0.1; Buxt. 68-0153

(cor.) A ob. = (4.1 ± 0.2) x 10

9

. ' 7.8 x 10

9 p.r. k detd. at 15—80°C;

£ a = 4.5 kcal mol '

.

Cerc69-0567

~~ 7 3.4 x 10

9 (cor.) p.r. counter ion Na +

; in the presence of 0 . 01 , 0.1 and

Pele. 70-0242

1 M NaC104 , k = 4.1, 5 and

6.15 x 10

9

, resp.

1.31 CO - 1.0 x 10

9 p.r. — Hart.. 64-0048

1.32 C0 2 7 (7.7 ± 1.1) x 10

9 p.r. — Gord.... 63-0073

1.33 HCO 3 < 10

6 p.r. concn. 103 M , no OH scavenger added; see also 67-0218 for c.k. with C02 giving k =

6 x 10

s

.

Thom. .64-0046

1.34 cor > 9 < 10

6 p.r. concn. 10

3 M , no OH scavenger

added. Thom.. 64-0046

1.35 CN

~ 11.0 < 10

6 p.r. value inferred from data reported in this paper. Anba. 65-0047

1.36 CNO” 11 < 1.3 x 10

6 p.r. concn. 2 x 10

2 M Anba. 64-0282

1.37 CNS~ 7 < 10

6 p.r. — Thom.. 64-0046

1.38 Cd 2+ 7 5.8 x 10

10 p.r. — Baxe. .63—0187

3 4.8 x 10

10 (rel.) y-r. c.k., Cd 2+ concn. 103 -10 1 M;

counter ion C10 4 ; k l 3a /k

(e aq + H

+

) = 2.1; assumed

k(e;q + H

+

) = 2.3 x IO

10

.

Baxe. 64-0153

7 ( 6.1 ± 1 . 8) x 10

10 n.r. counter ion NOa ; indirect; less

reliable method.

Roze.65—0008

7 5.2 x 10

10 p.r. — Baxe.. 65—0044

6.5 (4.8 ± 0.6) x 10

10 p.r. counter ion SO2

. Anba.65—0047

6.4 x 10

10 (cor.)

1.7-3. 2 x 10

10

p.r. counter ion S04 ; in the presence of 0.1 and 1 M

Na2 S04 , k = 1.9 and 0.96 x IO

10

, resp.

Pele. 70-0242

p.r. k decreases with concn.,

0. 1-0.5 M CdCl2 , at high concn. soln. may contain CdCl+ and CdCl3 (see 1.40).

Aldr.. .71-0019

3. 8-4.3 x 10

l° p.r. k decreases with concn.,

0. 1-0.5 M Cd(C104) 2 , Cd2 OH3+ may be present at high concn.

Aldr... 71-0019

1.39 Cd(NH 3 )r 6.5 (3.1 ± 0.3) x 10

10 p.r. contains 0.2 M NH3 , counter

ion SO2-. Anba. 65-0047

1.40 CdCl(H 2 0)3 + 6.8 ( 1.1 ± 0 . 1 ) x 10

10 p.r. contains 1.0 MCI , counter Anba. 65-0047

CdCl 2 (H 2 0) 2 + CdCl 3 (H 2 0)~

ion S04 ~.

1.41 cdir 7.2 ( 1.6 ± 0 . 2) x IO

10 p.r. contains 0.2 M I , counter

ion SO2. Anba. 65-0047

1.42 Cd(CN)*- 10 (1.4 ± 0.2) x 10

8 p.r. contains 0.1 M CN , counter

ions S04 , K

+

. Anba. 65—0047

1.43 Cd(gly)

+ ~ 9 (1.85 ± 0.3) x

10

‘° p.r. counter ion SO2

, /x = 10

4

. Meye. 69-0277

1.44 Cd(gly ) 2 ~ 10 (1.4 ± 0.2) x IO

10 p.r. counter ion SO2

, ja s 10

3

. Meye.69— 0277

1.45 Cd(gly ) 3 ~ 11 4.8 x 10

9

(cor.)

p.r. counter ion S04 , /x= 10 '. Meye. 69-0277

6
Table 3. Reactions of e aq with inorganic solutes — Continued

No. Solute and Reaction pH A(dm 3 mol *s 1

) Method

1 Comments Ref.

1.46 Cd(NTA)2 10.9 < 2.3 x 10

7 p.r. counter ion SO2

. soln. contains 2 x 10

2 AI Meye.69—0277

nitrilotriacetic acid. 1.47 Cd(EDTA)2- 12 3.9 x 10

8 p.r. /r = 0.2. Anba. 69-0276

1.48 Cd(en)

2- - 9 (6.3 ± 0.9) x 10

10

(cor.)

p.r. M = 10

-4

. Meye.69—0277

1.49 Cd(en) 2 ~ 10 (4.4 ± 0.7) x

10'°

(cor.)

p.r. M = 10

-3

. Meye.69-0277

1.50 Cd(en) 3

* - 11 (6.8 ± 1.0) x 10

10

(cor.)

p.r. M s 10

-1

. Meye.69— 0277

1.51 Ce

3+ - < 10

9 p.r. — Baxe.... 64-0132

1.52 Ce(EDTA)

- 11.5 < 3.2 x 10

7 p.r. M = 0.2. Anba. 69-0276

1.53 cr 10 < 10

s p.r. values inferred from Anba. 64-0149 < io

4 p.r. data reported in these Anba. 65-0047

papers.

1.54 CIO

- 10.2 7.0 x 10

9 (cor.) p.r. counter ion Na : M

= 10

3 M : k obm = 7.2 x 10

9

. Anba.68—0295

1.55 CIO

- ~ 10 < 4 x 10

6 p.r. concn. 10

2 M

.

Thom.. 64—0046

j -slG 3.5 x 10

8 p.r. — Baxe. .65—0044

9 < 2 x 10

6 p.r. — Meye67—0750

1 —- . 1 2.2 x 10

8 p.r. k detd. at 15—80°C; £, = 3.2 kcal mol 1

. Cerc69—0567

(Unexplained discrepancy in the above data)

1.56 cio; ~ 10 < 10

6 p.r. concn. 10 M. Thom.. 64—0046 - < io

6 p.r. — Baxe.. ..64-0132 — < io

5 p.r. value inferred from data in

this ref. Anba. 65—0001

1.57

/-> 2+ Lo - 1.35 x IO

10 p.r. Baxe.. 63-0187

| ~ 1.2 x IO

10 p.r. — Baxe.. 65-0044

1 1.2 x IO

10 p.r. — Baxe.. ..64-0132

9.5 x 10

9 (cor.) p.r. counter ion C10 4

: in the presence of 3 M NaC104 , k =

3.7 x 10

9

.

Pele. 70-0242

1.58 Co(OH)2 + Co(OH)3 14 1.6 x 10

9 p.r. — Anba. 64—0282

1.59 Co(CN)3-

e ; q + Co(CN)

3-^

Co(CN)

4-

13 (1.4 ± 0.1) x IO

10 p.r. k same in D2 0 soln. \ ene..69— 0443

1.59a CofN’TA)4 10.9 < 1.4 x 10

8 p.r. counter ion S04 ; contains

2 x 10

2 Af nitrilotriacetic Meye.69—0277

acid. 1.60 Co(EDTA)2- 12 < 5.2 x 10® p.r. /jl - 0.2. Anba. 69-0276

1.61 Co(NH3)j + 3 7.6 x IO

10 (rel.) y-T. c.k., k calcd. from k 161 /i

(e >q + H

+

) = 3.3 assuming

k (e

-

q + H*) = 2.3 x IO

10

; counter ion C10 4

.

Baxe. 64—0153

— 9 x

10*° p.r. k detd. at 21—77.5°C to give = 4.2 ± 0.5 kcal mol 1 Baxe. 65—0044

11.1 (9.0 ± 1.3) x IO

10 p.r. counter ion C10 4 ; soln. contains 0.2 A/ NH3

. Anba.65-0047

6.7 8.2 x IO

10 (cor.) p.r. counter ion C10 4 : ft = 6 x Anba. 68—0295

10

-5 M.

~ 7 (8.8 ± 0.4) x IO

10 p.r. counter ion Cl ; soln. contains < 10

3 M H 2

.

Walt. 69-0186

5—6 8.5 x IO

10 p.r. counter ion C10 4

. Meye. 69-0428

1.62 Co(NH 3 ) s H 2 0

3+ + - 6.2 x IO

10 p.r. — Baxe. 65—0044 Co(NH 3 ) s OH 2* 5.5—6 4.6 x 10

10 (rel.) y-r. c.k., k calcd. assuming

k(e~q + p-BrC6 H4 OH^ =

1.2 x 10'°: pA of Co(NH3 ) 5 H 2 0

3-

is 5.4.

Anba. 67—0098

7
Table 3. Reactions of e aq with inorganic solutes —Continued

No. Solute and Reaction pH A:(dm 3 mol _1

s

1

) Method Comments Ref.

5.5-6 5.8 x 10

10 (rel.) y-r. c.k., k calcd. assuming

k (e”

q + NOJ) = 1.1 x 10

10

; k

detd. by both methods at 20, 45 and 70°C. to give E. = 3.2 kcal mol

-1

.

Anba. 67-0098

4.9 8.1 x 10

10 p.r. counter ion C104 ; jx = 6 x 10

5 M

.

Anba.68—0295 - 8.0 x 10

10 p.r. unpubl. data cited. Meye.69-0428

1.63 Co(NH3 ) 4(H 2 0)

3 + - 4.4 x 10

10 p.r. — Baxe..65—0044

1.64 Co(NH3 ) 5 OH2+ 10.0 (6.0 ± 0.9) x 10

10 p.r. counter ion C104

. Meye.69-0428

1.65 Co(NH3 ) 5F

2+ 5-6 (6.6 ± 1) x 10

10 p.r. counter ion C104

. Meye.69—0428

1.66 Co(NH 3 ) s C1

2+ - 5.4 x 1010 p.r. — Baxe.. 65-0044

7.3 6.1 x 10

10 p.r. counter ion C104 ; /x = 4 x 10

-5 M.

Anba. 68-0295

5-6 (7.8 ± 1.1) x 10

10 p.r. counter ion C104

. Meye.69-0428

1.67 Co(NH 3 ) 5 Br

2+ 7.7 6.2 x 10

10

‘ p.r. counter ion C104 ; H

= 4 x 10

-5 M.

Anba. 68-0295

5-6 (8.0 ± 1.2) x 10

10 p.r. counter ion C104

. Meye.69—0428

1.68 Co(NH 3 ) 5 CN2+ 6.1 6.3 x 10

10 p.r. counter ion C104 ;

fj. = 4 x 10

-5 M.

Anba.68—0295

5-6 (7.4 ± 1.1) x

10'° p.r. counter ion C104

. Meye.69-0428

1.69 Co(NH 3 ) 5 NCS2+ 5-6 (7.3 ± 1.1) x 10

10 p.r. counter ion SO2

. Meye.69-0428

1.70 Co(NH 3 ) 5 N

2 + 6. 3-8.2 6.3 x 1010 p.r. counter ion C104 ; yx = 4 x 10

-5 M.

Anba. 68-0295

1.71 Co(NH 3 ) 4 (CN)H 2 0

2+ 6.1 5.6 x 10

10 p.r. counter ion C104 ;

fj. = 4 x 10

-5 M.

Anba. 68-0295

1.72 Co(NH 3 ) 5 acetate

2+ 5-6 (7.3 ± 1.1) x 10

l° p.r. counter ion C10 4

. Meye.69-0428

1.73 Co(NH 3 ) 5fumarate

+ 5-6 (6.5 ± 0.9) x 10

10 p.r. Counter ion C10 4

. Meye.69—0428

1.74 Co(NH 3 ) 5 terephthalate

+ - 6 x

10'° p.r. — Brow... 64-0045

1.75 (NH 3 ) 5 Co0 2 Co(NH 3 )5 + 5.9 8.2 x 10

10 p.r. counter ion Br ;

(j. = 5 x 10

5 M

.

Anba. 68-0295

1.76 Co(CN)*

- - 2.7 x 10

9 p.r. — Baxe.. 65-0044

10 (1.0 ± 0.2) x 10

9 p.r. contains 0.1 M CN ; Anba. 65-0047

(cor.) k ob = (3.6 ± 0.4) x 10

9

. 13 (5.0 ± 0.5) x 10

9 p.r. contains ~ 0.1 M H2

. Vene. .69-0443

1.77 Co(CN)s Cl

3- - 1.8 x 10

10 p.r. — Baxe. .65—0044

1.78 Co(CN)s OH 3- - 1.1 x 10

10 p.r. — Baxe. .65—0044

1.79 Co(CN)5 N

3 " 1.3 x 10

10 p.r. — Baxe.. 65—0044

1.80 Co(CN)5 N0 2

- - 8.0 x 10

9 p.r. — Baxe. .65-0044

1.81 Co(N0 2 ) 3 ‘ - 5.8 x 10

10 p.r. — Baxe.. 65-0044

1.82 Co(C 2 04 ) 3 - - 1.3 x 10

10 p.r. — Baxe.. 65—0044

1.83 omitted

1.84 Co(EDTA)

- - 2.9 x 10

10 p.r. — Baxe.. 65—0044

11-12 2.9 x 10

10 p.r. /x = 0.2. Anba. 69-0276

1.85 Co(en) 3 + 6.55 7.3 x 10

10 p.r. counter ion Cl . Szut 65—0018 - 8.2 x 10

10 p.r. — Baxe.. 65—0044

5-6 (8.5 ± 1.3) x 10

10 p.r. counter ion Cl . Meye.69—0428

1.86 cjs -Co(en)2 F 2 5-6 (4.9 ± 0.7) x

10'° p.r. — Meye.69—0428

1.87 Co(en)2 Cl 2 - 3.2 x 10

10 p.r. — Baxe.. 65—0044

cjs -Co(en)2 Cl2 5-6 (7.3 ± 1.1) x 10

10 p.r. counter ion C104

. Meye.69-0428

trans -Co(en) 2 Cl 2 5.55 7.1 x 10

10 p.r. counter ion N03 ; k cor. for N03

.

Szut 65-0018

5-6 (7.7 ± 1.1) x 10

10 p.r. counter ion Cl . Meye.69—0428

1.88 Co(en) 2 C03 7.2 4.9 x 10

10 p.r. counter ion C10 4 ; /u = 2 x 10

-5 M.

Anba. 68-0295

5-6 (4.8 ± 0.7) x 10

10 p.r. — Meye.69—0428

1.89 cjs -Co(en) 2 NH 3 Cl

2+ 5-6 (6.6 ± 1) x 10

10 p.r. — Meye.69—0428

1.90 cis -Co(en) 2 NH3 N02 + 5-6 (6.6 ± 1) x

10'° p.r. — Meye.69—0428

8
•Table 3. Reactions of e aq with inorganic solutes — Continued

No. Solute and Reaction pH i(dm3 mol _1s *) Method Comments Ref.

1.91 Co(en)2 FH 2 0

2+ 5-6 (6.3 ± 0.9) x 1010 p.r. — Meye. 69-0428

1.92 cis -Co(en) 2 (CNS)2 6.00 6.9 x 10

10 p.r. counter ion CNS . Szut.65-0018

trans -Co(en)2 (CNS)2 6.50 5.4 x 10

10 p.r. counter ion Cl

-

. Szut.65^-0018

1.93 Co(dien) 2 + ~ T (7.6 ± 0.4) x 10

10 p.r. counter ion Cl ; soln. contains < 10 MH2

. Walt. 69-0186

1.94 (en) 2 Co0 2 (NH 2 )Co(en)2 + 6.2 9.6 x 10

10 p.r. counter ion Br

-

; /a = 10 M

.

Anba. 68-0295

1.95 (CN)5 Co0 2 Co(CN)s“ 7.0 2.9 x 10

10 p.r. counter ion K ; /a = 10 M. Anba. 68-0295

1.96 Co(bipy)3 + ~ 7 (8.3 ± 0.7) x

10*° p.r. counter ion C104 ; soln. contains < 10

3 M H2

.

Walt. 69-0186

1.97 Co(phen)3

+ ~ 7 (7.5 ± 0.5) x 10

10 p.r. counter ion C104 ; soln. contains <10 M H2

. Walt. 69-0186

1.98 Co(acac)3

+

1. 8-3.0 4.6 x 10

10 (rel.) r. c.k., k calcd. from k m/k

(e.

q + H

+

) = 2.0 assuming

k(e~mq + H

+

) = 2.3 x 10

10

; k(H + Co(acac)3 + )/k (H +

iso —

C

3 H7 OH) = 17, g{H) =

0.56, g(e~m J = 2.85.

Rao.. 70-0094

6-7 4.3 x 10

10 (rel.) r. c.k., k calcd. from k(e. q + 02 ) /k 198 = 0.44 assuming

k (e

-

q + 02 ) = 1.9 x 10

10

; g(OH) = 2.2, g(H) = 0.56.

Rao.. 70-0094

1.99 Cr

2+ 6.9 (4.2 ± 0.8) x 1010 p.r. Cr

2+ soln. produced by Anba. 65-0047

11.2 (1.9 ± 0.5) x 10

10 electrolytic redn. of Cr(C104) 3

. 1.100 Cr(CN)r 10.0 3.3 x 10

9 (cor.) p.r. counter ion K ; /a =

5 x 10

-2 M; k oiM = 1.4 x io

10

.

Anba. 68-0295

1.101 CrF*- 8.5 4.1 x 10

9 p.r. — Anba.65-0780

1.102

/-> 3-f Cr

Cr(H 2 0)s 0H2+ 7.1 (6.0 ± 0.5) x 10

10 p.r. counter ion C104 ; pK of Cr(H2 0)

8+

is 3.75. Anba.65-0047

Cr02 (H 2 0)„ 10.9 (4.6 ± 0.5) x 10

10 p.r. counter ion C104 ; Anba. 65—0047

14 (2.0 ± 0.2) x 10® p.r. counter ion C104 ; soln. contains 1 M NaOH.

Anba. 65-0047

1.103 Cr(NH 3) 5 Cl2+ / 6.7 6.2 x

10*° p.r. counter ion Cl ; /a = 10

-4 M. Anba. 68-0295

1.104 CrFl~ 10 (1.4 ± 0.2) x 10

10 p.r. soln. contains 0.2 M F . Anba. 65—0047

1.105 Cr(CN)l~

Cr(en)3

+

10 4.2 x 10

9 (cor.) p.r. soln. contains 0.1 Af CN ; k ob.= (1.5 ± 0.2) x 10

10

. Anba.65—0047

1.106 6.83 5.3 x 10

10 p.r. counter ion Cl . Szut... 65-0018

I

1 -. 7.5 x 10

10 p.r. — Baxe..65-0044

1.107 cis -Cr(en)2 Cl2 5.55 7.1 x 10

l° p.r. counter ion Cl . Szut... 65-0018

1.108 cis -Cr(en)2 (CNS)2 5.65 4.2 x 10

l ° p.r. counter ion CNS . Szut... 65-0018

1.109 Cr(EDTA)' 4.9-5.

0

2.6 x

10‘° p.r. k cor. for H content. Szut. ..65-0018 11-12 2.6 x

10'° p.r. /a = 0.2. Anba.69-0276

1.110 Cr(C 2 04)T 4.76- 1.8 x 10

10 p.r. counter ion K+

. Szut... 65-0018

6.13

1.111 cis -Cr(C 2 04 ) 2 (H 2 0) 2 6.4 1.3 x 10

10 p.r. counter ion K . Szut... 65-0018

trans -Cr(C 2 04 ) 2 (H 2 0)2 6.18 1.5 x 10

10 p.r. counter ion K+

. Szut... 65-0018

1.112 CrO 2 ' - 1.8 x

10‘° p.r. — Baxe.. 65-0044

1.8 x 10

10 (cor.)

3.3 x

10'°

p.r. counter ion Na+

; in the presence of 0.1 and 1 M

Na2 S04 , k = 2.7 and 2.6 x 10

10

, resp.

Pele.70-02423

1.113 Cr2 0

2 7.0 p.r. contains no methanol. Thom. .64-0046 - 6.0 x

10'° p.r. counter ion Na ; in the Pele. 70-02423

(cor.) presence of 0.3 M NaC104 , 0.1 and 1 M Na2 S04 . k= 7.5, 7 and

5.0 x 10

10

, resp. 1.114 Cr(Cr0 4 )T 7 2.1 x 10

10 p.r. There is an error in the reported charge on the ion.

Hart... 66-0144

9
Table 3. Reactions of e aq with inorganic solutes — Continued

No. Solute and Reaction pH k(dm3 mol _1s

_1

) Method Comments Ref.

1.115

2+ Cu

Cu(H 2 0)

2 + 6 4.0 x 1010 (rel.) y-r. c.k., k calcd. from Scho.. 63-0057

e aq + Cu 2 -3> Cu

+ k 1 . 115 /* (e« q + N 2 0) = 4.7 ± 0.4 assuming

Scho. 64-0095

-

7 (3.3 ± 0.3) x 10

10 p.r. + N 2 0) = 8.7 x 10

9

. counter ion SO2

. Gord.... 63-0073 - 3.0 x 10

10 p.r. — Baxe. .63-0187 - 2.9 x 10

10 p.r. — Baxe.. 65-0044

6.8 (3.0 ± 0.3) x 10

10 p.r. counter ion C104

. Anba. 65-0047

1. 5-4.5 3.8 x 10

10 (rel.)

4.5 x 10

10 (cor.)

y-r. c.k., n = 0.15; k calcd. from k 1 .„5 /k(e"q + H

+

) =

1.64 ± 0.03 assuming

lc(e;

q + H

+

) = 2.3 x lO

10 and g(H) = 0.55.

Mici. 66-0138

p.r. counter ion C104 or S04 ; in the presence of 0.03 and 0.3 M NaC104 and

Pele. 70-0242

1 M Na2 S04 , k = 2.7, 1.7 and

0.91 x lO

10

, resp. 1.116 Cu(OH)2 ' 14 (5.8 ± 0.6) x 10

9 p.r. counter ions C104 , Na . Anba. 65-0047

3 M OH" (4.5 ± 0.5) x 10

9 p.r. counter ions C104 , Na . Anba. 65—0047

5 MOH" (3.4 ± 0.5) x 10

9 p.r. counter ions C104 , Na+

. Anba. 65—0047

1.116a glycine, Cu (II) salt 6.7 3.5 x 10® (rel.) y-r. c.k., assume k(e + ClCH2 COO ) Will. 67—0310 = 1.2 x 10

9

. 1.117 Cu(gly)3 11.1 (1.4 ± 0.2) x 10

10 p.r. counter ion S04 ; soln. contains 10 M glycine.

Meye. 69-0277

1.118 Cu(NTA)4 " 10.9 (1.0 ± 0.2) x lO

10 p.r. counter ion SO2

; soln. contains 2 x 10

2 M

Meye. 69-0277

nitrilotriacetic acid. 1.119 Cu(EDTA)2" 12 1.0 x 10

10 p.r. fx = 0.2. Anba. 69-0276

1.120 Cu(NH 3 ) 2+ 11.1 (1.8 ± 0.3) x 10

10 p.r. soln. contains 0.2 MNH3

. Anba. 65-0047

1.121 Cu(en) 3 + 11.2 (2.0 ± 0.3) x 10

10 p.r. counter ion S04 ; soln. contains 10 M ethylenediamine—diHCl.

Meye. 69-0277

1.122 Cu(CN)2 " 10 3.0 x 10® p.r. soln. contains 0.1 M CN . Anba. 65-0047

1.123 Dy

3+ 5.90 4.6 x 10® p.r.. — Thom . .64-0046

1.124 Dy(EDTA)" 12 9.3 x 10

6 p.r. /la = 0.2. Anba. 69-0276

1.125 p 3+ Er - 7 x 10

7 p.r. — Baxe.. 65—0044

1.126 Er(EDTA)" 12 1.1 x 10

7 p.r. /i. = 0.2. Anba. 69-0276

1.127 p 3+ Eu 5.55 6.1 x lO

10 p.r. — Thom..64—0046

1.128 Eu(EDTA) 11.5 5.6 x 10

9 p.r. /ll = 0 .2. Anba. 69-0276

1.129 F~ 7.2 < 2 x 10

4 p.r. k calcd. from exptl. data

in this ref. Anba. 65-0001

1.130 HF 5.02 6 x 10

7 (calcd.) X-r. calcd. from k = 3 x 10? Anba. 67-0099

e; q + HF -3> HF" (65-0493), where HF2 is 95% of H + F~ the acid present, and the p K of HF and HF2 differ by 0.6. 1.131 HF" 5.03 4.3 x 10

7 (cor.) c.k., soln. contains 9.6 x 10

3 Jort... 62-0021

+ HF2 ^ H + F 2 M HF, 1.6 x 10~2 MHF~,

and 0-10 4 M acetone; Raba65-049

/ll = 0.46; k calcd. from

k(e”q + acetone)/ k , 131 = 80 ± 20; assuming

k(e aq + acetone) = 6 x 10 . 5.03 1.8 x 10

7 (cor.) phot. c.k., soln. contains 9 x 10

3 Jort.. .62-0021,

M HF, 4.4 x 10" 1 M F",

1.6 x 10"2 M HF2 , 1.5 x 10" 1 M l ; fx = 0.6; k calcd. from

Raba65-0493

10
Table 3. Reactions of e aq with inorganic solutes — Continued

No. Solute and Reaction pH A^dm 3 mol *s x

) Method Comments Ref.

k(e'mq + H

+

)/ k 1131 = 250

assuming k(e>q + H ) = 2.3 TO 10 x 10 . 1.132 Fe

2+ - ~ 3.5 x 10

8 p.r. — Baxe... .64-0132

5.0 1.2 x 10

8 p.r. — Anba. 64-0282

- ~ 1.6 x 10

8 p.r. — Baxe.. 65—0044

1.133 Fe(EDTA)2" 12 < 1.0 x 10

9 p.r. /a = 0.2; value probably

high due to partial oxidation. Anba. 69-0276

1.134 Fe(CN)4 ' - < 10

s p.r. — Anba. 66-0435

1.135 Fe(CN)5 NH3 ~ 8.6 < 1.0 x 10

7 p.r. counter ion Na

+

; /x = 0.005 M . Anba. 68—0295

1.136 FeF2 - 6.6 2.2 x 10

9 (cor.) p.r. counter ion K

+

; /x = 10

1 M;

i ob.= 1.1 x 10

10

. Anba. 68-0295

1.137 Fe(CN)2 "

7, 10.3 (3.0 ± 0.4) x 10

9 p.r. counter ion K ; k detd. at Gord.... 63-0073

(cor.)

2.4 x 10

10

various ionic strengths and

extrapolated to /a = 0. Gord 63—0050

1.138 Fe(CN)5 N02“ 10.5 p.r. counter ion Na

+

; /x = 10

-4 M

.

Anba. 68—0295 - 2.2 x 10

10 p.r. — Buxt.. 69-0052

1.139 Fe(EDTA)' 12 2.3 x 10

10 p.r. fj. = 0.2. Anba. 69—0276

1.140 Ga(EDTA)

- 11 7.8 x 10

7 p.r. ix = 0.2. Anba. 69—0276

1.141 Gd3+ 6.05 5.5 x 10

8 p.r. — Thom.. 64-0046

1.142 Gd(EDTA)' 12 6.0 x 10

6 p.r. /X = 0.2. Anba. 69—0276

1.143 h:. 2.3 -2.4 x 10

10 The values listed have been used to calculate specific e:q + H:„^ H rates of the following reactions from relative rates: 1.38, 1.61, 1.98, 1.115, 1.131, 1.156, 1.178, 1.295, 1.333, 1.359, 1.390, 1.399a, 1.520, 1.552, 1.553, 1.562, 1.570, 1.571, 1.635.

4. 1-4.7 (2.3 ± 0.2) x 10

10 p.r. soln. contains H2 S04 or HC104

. Dorf.63—0045

4-5 (2.4 ± 0.2) x 10

10 p.r. — Gord.. ..63-0073

2. 1-4.3 (2.0 ± 0.2) x 10

l° p.r. k cor. to /a = 0. Keen64—0091 - 2.1 x 10

10 p.r. — Baxe 64—0132

2.2 x 10

10 p.r. k detd. at 26—57°C; £. =

3.8 ± 0.5 kcal mol '. Baxe. 65—0044

- 2.2 x 10

10 p.r. k detd. at 15— 80°C; Cerc69—0567,

£ m = 2.5S kcal mol *. 68-0010 - 2.0 x 10

10 (rel.) y-r. c.k., k calcd. assuming Hent.70—0056

k(e ;q + NO^) = 1.1 X lo

10

; soln. contains 10

3 M NaN03 , 5 x 10 M glucose and 2.3

x 10

4 M HC104 ; pressures up

to 8. 15 kbar. 5-6 (2.8 ± 0.2) x 10

10 p.r. elec, condy., k detd. at 25-50°C to give £. = 2.44 ±

0.20 kcal mol *.

Bark... 70-0243

< 2 (1.2 ± 0.2) x 10

10 p.r. concn. 0.5 — 5 M . Bron..70— 0605

1.144 D.% acid (1.7 ± 0.1) x 10

10 p.r. D2 0 soln. contains H 2 S04 , Fiel. 68-0061

e d + d:„-> d HC1 or HC104

. 1.145 h 2 - < 10

7 p.r. — Hart.. 64-0048

1.146 h 2 o2 1.2 x 10

10 The value listed has been used to calculate specific + H2 0 2 ^ OH + OH- rates of the following reactions from relative rates: 1.156, 1. 180.

7 (1.2 ± 0.1) x 10

10 p.r. — Gord 63—0050,

Gord. ...63-0073 - 1.4 x 10

10 p.r. — Baxe... .64-0132 Keen64—0091

11 1.3 x 10

10 p.r. soln. H2 —satd. Hart. 65-0494 ~ 1.1 x 10

10 p.r. k detd. at 15—80°C; E m = 3.6 kcal mol l

. Cerc69-0567 ~ 11 1.35 x 10

10

f. phot. soln. H2 — satd., — 10

3 M Hick. 70-7116

11

491-262 OL - 73 - 3
Table 3. Reactions of e aq with inorganic solutes — Continued

No. Solute and Reaction pH A;(dm 3 mold's -1

) Method Comments Ref.

1.7 x 10

10 NaOH; pK (H 2 02 ) = 11.75. - p.r. concn. > 0.1 M. Aldr.. .71-0019

1.147 D 2 0 2 + D 2 0 2 ^ OD + OD

7 (1.2 ± 0.1) x 10

10 p.r. Dz O soln. Fiel. 68-0061

1.148 H0 2 13.0 (3.5 ± 0.4) x 10

9 p.r. soln. contains (4—13) x

10

4 M H2 Oz ; pK (H 2 Oz ) =

11.8; H2 02 ^ H

+ + H02

.

Feli.. 67-0132

1.149 Hg(en)

2 + 11.2 (1.6 ± 0.2) x 10

10 p.r. counter ion Cl ; soln. contains 2 x 10

2 M

ethylenediamine— diHCl.

Meye. 69-0277

1.150 Hg(CN)2 ' 10 1.9 x 10

8 p.r. — Anba. 65-0780

1.151 Hg(gly)a 11.1 (1.5 ± 0.2) x 10

10 p.r. counter ion Cl ; soln. contains 10

1 M glycine.

Meye. 69-0277

1.152 Hg(NTA)4 ’ 10.9 (3.9 ± 0.6) x 10

9 p.r. counter ion Cl ; soln. contains 2 x 10

2 M

nitrilotriacetic acid.

Meye. 69-0277

1.153 Hg(EDTA)2' 12 5.1 x 10

9 p.r. /x = 0.2. Anba. 69-0276

1.154 Ho3+ 5.88 2.4 x 10

9 p.r. We have no explanation Thom.. 64—0046

e ; q + Ho3+

-$> Ho 2+ - 6.6 x 10

7 p.r. for this large discrepancy Baxe.. 65-0044

1.155 Ho(EDTA)~ 12 9.8 x 10

6 p.r. /x = 0.2. Anba. 69-0276

1.156 h 7 (5.1 ± 0.3) x 10

10 p.r. d.k.(e aq ) as well as p.b.k. Thom. .64-0046

e

q + C C

5.3 5.9 x 10

lo (rel.) y-T.

(Qc.k., soln. contains 5 x 10

4 Sawa.. 66-0113

M KI; k calcd. from eq. based

on H2 Oz yield assuming

k (e aq + H

+

) = 2.36 x 10

10

, + H2 02 ) = 1.2 x 10'°,

5.1 x 10

1O (rel.) and g(e aq ) = 2.8. y-r. c.k., k calcd. from k, 156 //c (e aq + SF6 ) = 3.08, assuming

k(elq + SF6 ) = 1.65 x

10'°.

Asmu. 68-0159

1.157 C 7 2 x 10

10 phot. c.k., soln. contains 0.23 M KI, Dain. 65-7017

e .q + C ^ I + C (rel., cor.) (4—48) x 10

4 M I 3 , and

(8-64) x 10~4 M N2 0; k

calcd. assuming k(eaq + N2 0) = 8.7 x 10

9

. 1.158 io 3

‘ 7 (7.7 ± 0.9) x 10

9 p.r. counter ion K

+

. Anba.65—0047

11 (8.3 ± 1.0) x 10

9 p.r. counter ion K+ . Anba. 65-0047

14 (9.6 ± 1.2) x 10

9 p.r. counter ion K

+

. Anba. 65—0047

3 MOH“ (8.1 ± 0.8) x 10

9 p.r. counter ion K

+

. Anba. 65-0047 - 8.5 x 10

9 (cor.) p.r. counter ion K

+

; in the Pele. 70-0242

presence of 0.1 M NaC104 , k = 1.2 x 10

10

. 1.159 10 ; 7 (1.1 ± 0.2) x 10

10 p.r. counter ion Na . Anba. 65-0047

11 (1.9 ± 0.2) x 10

10 p.r. counter ion Na+

. Anba. 65—0047

14 (2.1 ± 0.3) x 10

10 p.r. counter ion Na+

. Anba. 65-0047

3 M OH' (1.6 ± 0.2) x 10

10 p.r. counter ion Na+

. Anba. 65—0047

1.160 In

3+

e ;q + In

3+ ^ In

2+

1 (5.6 ± 1.0) x 10

10 p.r. counter ion SO2

. Brow. 66—0062

1.161 In(EDTA)" 12 4.1 x 10

8 p.r. fj. = 0.2. Anba. 69-0276

1.162 IrCl

3 - - 4.7 x 10

9 p.r. — Dain. 67—0063

10.6 3.0 x 10

9 (cor.) p.r. counter ion K

+

; g = 5 x 10

2 M, k oba = 9.4 x 10

9

. Anba. 68—0295

1.163 Ir(NH 3 ) 3 + ~ 7 (1.3 ± 0.1) x 10

10 p.r. counter ion Cl . Walt67-0560

1.164 IrCl

2 " 2.6 x 10

10 (rel.) y-r. c.k., k i iMl k (e aq + N z O) =

(2.96 ± 0.03), assume k

( e ; q + N z O) = 8.7 x io

9

.

Dain. 67—0063

- 2.5 x 10

10 p.r. — Dain. 67—0063

10.2 9.3 x 10

9 (cor.) p.r. counter ion K

+

; /jl = 5 x 10

2 Anba. 68—0295 12
Table 3. Reactions of e aq with inorganic solutes — Continued

No. Solute and Reaction pH A:(dm 3 mol *s *) Method Comments Ref. M; k ob = 2.0 x

10‘°. 1.165 K

+ - < 5 x 10

5 p.r. — Baxe.... 64-0132

- < 3 x 10

4 p.r. k calcd. from the exptl. data in this ref. Anba. 65-0001

1.166 La

3+ 6.98 3.4 x 10

8 p.r. — Thom.. 64— 0046 - 6.9 x 10

8 p.r. — Baxe. .65—0044

1.167 La(EDTA)" 12 < 1.2 x 10

6 p.r. pi = 0.2. Anba. 69—0276

1.168 ILu 6.20 2.5 x 10

8 p.r. — Thom. .64-0046

1.169 Lu(EDTA)

- 12 1.5 x 10

7 p.r. pi = 0.2. Anba. 69-0276

41 1.170 Mn 2+ - 7.7 x 10

7 p.r. — Baxe. ...64-0132

3.8 x 10

7 p.r. — Baxe. .65— 0044

1.171 Mn(gly)3 li.i < 1.7 x 10

7 p.r. counter ion S04 ; soln. contains 10

1 M glycine.

Meye. 69-0277

1.172 Mn(NTA)j" 10.9 < 5 x 10

6 p.r. counter ion S04 ; soln. contains 2 x 10

2 M

Meye. 69-0277

nitrilotriacetic acid. 1.173 Mn(EDTA)2- 11.3 1.5 x 10

6 p.r. soln. contains 0.05 M EDTA;

k detd. at 2-62°, E t =

4.0 ± 0.6 kcal mol '.

Anba. 67-0299

12 < 2.2 x 10

6 p.r. pi = 0.2. Anba. 69-0276

1.174 Mn(CN)J" - (2.5 ± 0.2) x lO

10 p.r. — Anba. 66-0435

9.0 5.9 x 10

9 (cor.) p.r. counter ion K ; pi =

5 x IO

-2

; k ob,= 2.5 x IO

10

. Anba.68-0295

1.175 MnOJ 7.0 2.2 x 10

10 p.r. — Thom.. 64-0046

13 3.7 x lO

10 p.r. — Thom.. 64—0046 - 3 x lO

10 p.r. — Baxe.. 65—0044 — 4.4 x lO

10 p.r. k detd. at 15— 80°C; E m = 3.1 kcal mol *. Cerc69—0567

1.176 Mo(CN)j' - 7.1 x 10

9 p.r. — Vene..69—0443

1.177 N 3 — 2.9 x 10

6 (rel.) X-r. c.k., assume Ic (e aq + acetone) = 5.9 x 10

9

.

Kell. 61-0019

11 < 5.6 x 10

6 p.r. — Anba. 64-0282 < 5 x 10

6

f. phot. e aq decay not influenced by

N3 concn. 10

4 — 103 M

.

Bura.. 70-7004 - 7 < 1.5 x 10

6 p.r. concn. 1 M

.

Pele.. 71-0007

1.178 nh;

e;,+ NH;-> H + NH3

7.8 2 x 10

6 (rel.) phot. c.k., soln. contains 0.15 M

I“, 5 x IO

-3 - 4.0 M NH4 C1;

Jort... 62-0021

k calcd. from k(e, q + H

+

)/ k U78 = 1.2 x 10

4 assuming

k(e ;q + H

+

) = 2.3 x IO

10

. 5.3 1.3 x 10

6 p.r. — Anba. 64-0282

1.179 n 2 h 4 - < io

8 p.r. — Baxe 64—0132

1.180 n 2 h; - < 3.5 x 10

8 p.r. — Baxe 64—0132

e:q + N 2 H 5

+ ^ (N 2 H 4 + H) 6 1.5 x 10

7 (rel.) 7-r. c.k., k calcd. assuming Bell. 69-0598 n 2 h 3 + h 2 k(e ;q + H2 0 2 ) = 1.2 x io

10

. 1.181 nh 2 oh - < 2 x 10

7 p.r. — Baxe.. ..64-0132 ~ 5-7 (6.6 ± 0.7) x 10

8 p.r. k calcd. from detns. at Beha.. 70-0197

(calcd.) pH 5.37, 6.70 and 7.77 assuming p K = 5.83 for nh3 oh+ ^± nh2 oh + h

+

. (Unexplained discrepancy in the above data)

1.182 nh 3 oh + ~ 5-7 (1 ± 0.1) x IO

10

(calcd.)

p.r. see 1.181. Beha. .70-0197

1.183 nh 2 so 3 11.7 < 1.3 x 10

6 p.r. counter ion Na ; pi = 0.02; Anba. 68-0295

(cor.) k ob,= < 1.7 x 10

6

. 1.184 N0(S0 3 ) 2 ‘ 6.25 4 x 10

9 (rel.) y-r. c.k., k calcd. from k iAMl

More. .69—0649

(Fremy's salt) (e;

q + H 2 PO^ = (5.2 ± 0.3) x 10

2 assuming k(e aq + H2 P04 ) = 7.7 x 10

6

. 13
Table 3. Reactions of e aq with inorganic solutes — Continued

No. Solute and Reaction pH &(dm 3 mol _ 1 s

_1

) Method Comments Ref.

1.185 H0N(S0 3 ) 2

" 12 (4 ± 0.8) x 10

8 p.r. counter ion K

+

. Fel'. .68-0460

1.186 n 2 o 8.7 x 10

9 The value listed has been used to calculate specific

e.~ q + N 2 0-> rates of the following reactions from relative rates: N 2 +0 or -3> 1.115, 1.157, 1.164, 1.188, 1.225, 1.234, 1.260,

N 2 + OH' + OH 1.301, 1.302, 1.333, 1.396, 1.399a(8.9), 1.409a

1.486, 1.606, 1.635(8.9).

•

7 (8.7 ± 0.6) x 10

9 p.r. — Gord.... 63-0073 - (5.6 ± 2) x 10

9 p.r. — Keen64—0091 - (2.4 ± 0.3) x 10

9 p.r. soln. contains 12.4 M KF. Anba. 65-0001

11 5.6 x 10

9 p.r. soln. H2 —satd. Hart. 65-0494 ~ 7 9.4 x 10

9 (rel.) 7—r. c.k., soln. contains 1—2 x 10'3 M SF6 and 10

"4 -10~3 M

N z O; k calcd. from

k 1.186 /^(e « q + SF6 ) = 0.57 assuming k(e aq + SF6 ) = 1.65 x 10

10

.

Asmu.68—0159

> 11 9.1 x 10

9

f. phot. soln. H2 -satd., 10

3 -10 1 MNaOH.

Hick. 70-7116

1.187 NO 7 (3.1 ± 0.2) x 10

10 p.r. — Gord. 63-0073

e; q + NO NO" HNO 7 2.8 x 10

10 (rel.) y-r. c.k., soln. contains ~ 10

3 Knig. 67-0231

M NO in phosphate buffer with added NOz ~ 10

3 —

10

' 1 M ; k ,.i 87 /k (e aq + N02 ) =

7 (p. = 0), assumed

k(e aq + NO^) = 4 x 10

9

. 7 (2.3 ± 0.4) x

10'° p.r. — Sedd. 70-0014

1.188 no 2 7.0 4.3 x 10

9 (rel.) y-r. c.k., k ,.i88 lk(e~q + N 2 0) =

0.49 ± 0.05, assumed k(e aq + N 2 0) = 8.7 x 10

9

.

Appl.. 63- 0041

~ 7.0 4.6 x 10

9 p.r. — Thom..64-0046 - 3.5 x 10

9 p.r. — Baxe.,65—0044 5.5-6 3.4 x 10

9 (rel.) y-r. c.k., assumed k(e mq + p

— BrC 6 H 4 OH) = 1.2 x 10

10

, k detd. at 20, 45, and 70°C,

to give E t = 3.4 kcal mol '.

Anba. .67-0098

3.4 x 10

9 p.r. k detd. at 15-80°C;

F a = 1 . 6S kcal mol

Cerc69-0567

- 4.5 x 10

9 p.r. counter ion K ; H2 —satd. Fel'70-0417 - 8.0 x 10

9 p.r. concn. 0.1 — 1.8 M

.

Aldr.. .71-0019

(see also 1 . 187 and 1.569 for relative rates). 1.189 NO' 1.1 x 10

10 The value listed has been used to calculate specific

e."

q + N 0 3'^> NOT rates of the following reactions from relative rates: N0 3 ~ + H 2 0 -> 1 . 1 , 1.62, 1.143, 1.286, 1.313, 1.326, 1.327, 1 331,

N0 2 + 20H~ 1.343, 1.386, 1.391, 1.401, 1.433, 1.577, 1.578, 2N0 2 + H 2 0 1.596, 1.650. N0 2 + N0;+ 2H + 7 ( 1.1 ± 0 . 1 ) x 10

10 p.r. — Gord.... 63- 0073 Thom . .64—0046 - (1.9 ± 0.3) x 10

9 p.r. soln. contains 12.4 M KF. Anba.65-0001 - 8.2 x 10

9 p.r. — Baxe.. 65-0044

7.0 7.5 x 10

9 (rel.) y-r. c.k., counter ion Na ; Dani.67—0032

k 1,89/k(e~q + 02 ) = 2.5 ± 0. 2 , assumed k(eaq + 02 ) =

1.9 x

10'°. 5.5-6 1.1 x 10 '° (rel.) y-r. c.k., assumed

k(e aq + p-BrC6 H4 OH) = 1.2 x

10

10

; k detd. at 20, 45 and

70°C, E m = 3.9 kcal mol *.

Anba. 67-0098

- 9.3 x 10

9 p.r. k detd. at 15—80°C; Cerc69-0567

14
Table 3. Reactions of e aq with inorganic solutes — Continued

No. Solute and Reaction pH &(dm3 mol *s x) Method Comments Ref. E , = 2.3 kcal mol 1

. 4 t 9 x 10

9 p.r. counter ion K ; H2 —satd. Fel'70-0417

1.05 x 10

10 (cor.)

2.0 x 10

10

p.r. counter ion Na~; in the presence of 0.1 and 1 M

NaC104 , k = 1.3 and 1.6 x

10

10

, resp.

Pele. 70-0242

- p.r. concn. 0.1—0.7 M

.

Aldr.. .71-0019

1.190 Na+ - < 10

6 p.r. — Baxe.... 64-0132 — < 10

5 p.r. k calcd. from exptl. data

in this ref. Anba.65—0001

1.191 Nd3+ 4.66 5.9 x 10® p.r. — Thom. .64—0046

1.192 Nd(EDTA)~ 12 2.8 x 10

6 p.r. fji = 0.2. Anba.69—0276

1.193 Ni2"’ - 2.3 x 10

10 p.r. — Baxe. .63—0187

2.2 x 10

10 (cor.) p.r. counter ion SO 2

; in the presence of 1 M Na2 S04 , k —

1.9 x 10

9

.

Pele. 70-0242

1.194 NiF(H 2 0)3 + 8.5 < 1.2 x 10

10 p.r. counter ion F , pi = 10

1 M

,

Anba.68—0295

(cor.) k obm — 7.2 x 10

9

. The real value for NiF*q is low er as the soln. contained

12% Ni2 q

. 1.195 Ni(CN)2 ' 11.0 4.1 x 10

9 p.r. counter ion K~; ji = 5x Anba. 68-0295

(cor.) 10

3 M , k obt = 5.5 x 10

9

. 1.196 Ni(gly) > 8 (1.6 ± 0.2) x 10

10 p.r. counter ion S04 , ^t= 104

, Meye. 69-0277

1.197 Ni(gly) 2 - 9 (2.7 ± 0.4) x 10

9 p.r. counter ion S04 , fjL = 103

. Meye.69—0277

1.198 N i(gly) 3 - 10 < 2.5 x 10' (cor.) p.r. counter ion S04 , /a = 10 . Meye. 69-0277

1.199 Ni(NTA)’ ~ 8 (6 ± 0.9) x 10® p.r. counter ion S04 ; concn. ~ 10

4 M

.

Meye.69—0277

1.200 Ni(NTA)2 ~ ~ 11 < 1.8 x 10

7 p.r. counter ion S0 4 ; concn. ~ 10"2 M.

Meye.69—0277

1.201 Ni(EDTA)2’ 12 1.0 x 10

8 p.r. fj. = 0.2. Anba.69—0276

1.202 Ni(en)

2* ~ 8 (2.2 ± 0.3) x 1010

(cor.)

p.r. counter ion S04 ; /x = 10

4

. Meye.69—0277

1.203 Ni(en)

2 * ~9 (1.95 ± 0.3) x 10

10 (cor.)

p.r. counter ion SO2

; /x ~ 10-4

. Meye.69—0277

11 7.5 x 10

9 p.r. counter ion S04 ; /x = 10

3

. contained some Ni(en)

2+

. Anba.68—0295

1.204 Ni(en)

2 * ~ 11 < 2 x 10

7 p.r. counter ion S04 , /x s 0.2. Meye.69—0277

1.205 0 2 1.9 x 10

10 The value listed has been used to calculate s pecific ^2 ^ ^2 rates of the following reactions from relative rates: 1.98, 1.189, 1.310, 1.391, 1.549, 1.618.

7 (1.9 ± 0.2) x 10

10 p.r. Gord 63-0073 - (2.2 ± 0.2) x 10

10 p.r. — Keen64—0091

11 1.9 x 10

10 p.r. — Hart. 65-0494

13 (1.7 ± 0.2) x 10

10 p.r. observed rate depends on 02 concn. (2 x 10^ — 2 x 10

-4 M),

H2 concn. 7 x 10

4 Af.

Kaba. .69—0582

1.206 0 2 (in D 2 0)

e d + 0 2

"$> 0 2

7 (1.5 + 0.1) x 10

10 p.r. — Fiel. 68-0061

1.207 Os(CN)r 10.5 < 1.0 x 10

6 p.r. counter ion K ; /x = 10

3 M . Anba.68—0295

1.208 Os(NH3 ) 3+ ~ 7 (7.2 ± 0.2) x 10

10 p.r. counter ion Br . Walt67-0560

1.209 h 2 po 2 6.8 < 1.0 x 10

s (cor.) p.r. counter ion Na ; /jl = 10

2 M

k ob,= 1.1 x 10

s

. Anba.68—0295

1.210 h 2 po 3 6.7 5.5 x 10

6 (cor.) p.r. counter ion K ; Anba.68—0295

/x = 2 x 10"2 M; k oU =

7.2 x 10

6

. 1.211 h 2 po; 7.1 4.2 x 10

6 (cor.) p.r. counter ion K ; /x = 0.1; Anba.68—0295

e”q + h 2 po;^> k obm = 7.7 x 10

6

; see also H + HPO 2- 1.184 for relative rate. 15
Table 3. Reactions of e aq with inorganic solutes — Continued

No. Solute and Reaction pH /c(dm 3 mol x s

x ) Method Comments Ref.

1.212 p 2 or 7.7 < 3 x 10

6 p.r. counter ions Na , Cl ; P2 0

2 concn. 102 M.

Land. 68-0441

1.213 p,o;- - 1.9 x 10

10 p.r. counter ion Na ; soln. Roeb. .69-0158

contains 0.1 M H2 02 , 10

2 M

p4 or*

1.214 pb 2+ - 3.9 x 10

10 p.r. — Baxe.. 65-0044

7 (3.9 ± 0.5) x 10

10 p.r. counter ion C10 4

. Anba. 65-0047

11.2 (1.3 ± 0.1) x 10

10 p.r. counter ions C104 , Na+

. Anba. 65-0047

1.215 Pb0 2 ~ 14 (1.0 ± 0.1) x 10

10 p.r. counter ion C10 4 ; soln. contains 1 M NaOH.

Anba. 65-0047

3 M OH~ (9.2 ± 0.1) x 10

9 p.r. counter ion C10 4

. Anba. 65-0047

1.216 Pb(gly)3 11.1 (1.6 ± 0.2) x

10'° p.r. counter ion Cl ; soln. contains 10

1 M glycine.

Meye. 69-0277

1.217 Pb(NTA)2 ~ 10.9 (3.2 ± 0.5) x 10

9 p.r. counter ion Cl ; soln. contains 2 x 10

2 M

nitrilotriacetic acid.

Meye. 69-0277

1.218 Pb(EDTA)' 12 3.8 x 10

9 p.r. At = 0.2. Anba. 69-0276

1.219 Pb(en) 3 + 11.2 (2.3 ± 0.3) x 10

10 p.r. counter ion Cl ; soln. contains 10

1 M ethylenediamine — diHCl.

Meye. 69-0277

1.220 PdCl2 ~ 7.1 (1.2 + 0.15) x 1010 p.r. counter ion K

+

; soln. Anba.65—0047

contains 0.1 M Cl . 1.221 Pd(CN)

2- 10.6 1.9 x 10

9 (cor.) p.r. counter ion K ; /u. = 10 M

;

k ob. = 2.8 x 10

9

. Anba. 68—0295

10 (1.0 ± 0.3) x 10

9 p.r. counter ion K ; soln. Anba.65-0047

(cor.) contains 0.1 M CN , k ob.= (2.0 ± 0.3) x 10

9

. 1.222 Pd(et 4 dien)Cl

+ ~ 7 (4.4 ± 0.5) x 1010 p.r. counter ion Cl . Walt67-0560

1.223 Pr

3+ 6 2.9 x 108 p.r. — Thom.. 64-0046 - 1 x 10

7 p.r. — Baxe.. 65—0044

(Unexplained discrepancy in the above data) 1.224 Pr(EDTA)" 11.5 3.6 x 10

6 p.r. /x = 0.2. Anba.69—0276

1.225 PtCl2 ' 7-11 1.5 x 10

10 (rel.) y-r. c.k., k calcd. from Dain. 67-0063

k j. 225 /^(e~q + N2 0) =

1.76 (cor. to fi = 0) assuming

k(e~mq + N2 0) = 8.7 x 10

9

. - 9.0 x 10

9 p.r. — Baxe.. 65—0044

11 (6.7 ± 0.9) x 10

9 p.r. counter ion K ; contains

0.1 M NaOH.

Dain.67—0063

6.8 (1.2 ± 0.15) x p.r. counter ion K

+

; soln. Anba. 65-0047

10

10 contains 0.1 MCI . 1.226 Pt(CN)2 - 10 (1.3 ± 0.3) x 10

9 p.r. counter ion K

+

; soln. Anba. 65-0047

(cor.) contains 0.1 M CN ; k ob. = (3.2 ± 0.4) x 10

9

. 10.6 2.9 x 10

9 (cor.) p.r. counter ion K ; fi = 10 M,

k ob. = 3.9 x 10

9

. Anba. 68-0295

1.227 Pt(et 4 dien)Cl

+ ~ 7 (1.2 ± 0.1) x

10'° p.r. counter ion Cl . Walt67-0560

1.228 ptcir 11 (3.6 ± 0.4) x 10

10 p.r. counter ions K

+

, Na +

. Dain.67—0063

10 1.4 x 1

0

10 (cor.) p.r. counter ion K

+

; At = 10

2 M;

* ob.= 2.0 x

10'°. Anba. 68—0295

1.229 Rh(NH 3 ) 3 + 7 (7.9 ± 0.2) x 10

10 p.r. counter ion Cl . Walt67-0560

1.230 Rh(bipy) 3 + 7 (8.4 ± 0.1) x 10

10 p.r. counter ion C104

. Walt67-0560

1.231 Ru( cN)r 10.6 < 1.0 x 10

6 p.r. counter ion K

+

; At = 0.01 M

.

Anba. 68—0295

1.231a Ru(NH 3 ) 5 N 2 2+

e ; q + Ru(NH 3 ) 5 N 2 2+ ~ 7 4.3 x 10

9 p.r. — Baxe70—0263

Ru(NH 3 ) 5 N 2+

1.232 Ru(NH 3 ) 3 + T 7 (7.4 ± 0.5) x

10'° p.r. counter ion Cl . Walt67-0560

e ; q + Ru(Nh 3 ) 3+ ^

Ru(NH 3 ) 2 + (6.8 ± 0.1) x 10‘° p.r. — Baxe. .70-0178

16
Table 3. Reactions of e aq with inorganic solutes —Continued

No. Solute and Reaction pH

' __

^ &(dm3 mol _ 1 s _1

) Method Comments Ref.

1.233 Ru(NH 3 ) 5 Cl

2+ e“q + Ru(NH 3 ) 5 Cl

2+ Ru(NH3) 5 C1

+

— (6.2 ± 0.4) x 10

10 p.r. — Baxe. .70-0178

1.234 h 2 s 5.5-6 1.6 x 10

10 (rel.) y-r. c.k., k calcd. from k 1 234 /k Meis.65-0013

e”q + H2 S -$> H + HS~ (e;q + N2 0) = (1.80 ±0.1)

and -5> H2 + S assuming k(e~^ + N2 0) = 8.7 x 10

9

. 5.5-6 (1.35 ± 0.1) x

10

10 p.r. — Meis. 65-0013

- 1.1 x 10

10 p.r. — Karm. .67-0273

1.235 D 2 S

e d + D 2 S -5> D + DS and

D2 + S

1.35 x 10

10 p.r. Meis. 65—0013

1.236 HS~ 11 < 6 x 10

s p.r. — Karm67—0684

e : a + SH“ ^ S

2~ + H

1.237 SF6 1.65 x JO

10 The value listed has been used to calculate specific rates e» q + SF6 » 6F of the following reactions from relative rates: 1.143, + S0 2 '+ 7H3 0

+ 1.156, 1.186, 1.289, 1.367a. (overaU) - (1.65 ± 0.1) x p.r. soln. air—satd.; overall Asmu.68—0159

io

10 reaction consists of fast steps -3> SFs + F , SFs + 2Hz O ^ OH + SF4 + F" + H3 0

+

, followed by slow

hydrolysis: SF4 + 9Ha O

SO2 - + 4F" + 6H3 0

+ (70-0107).

1.238 so

2 - 10.0 < 1.3 x 10

6 p.r. counter ion Na+

; p. = 10

3 M. Anba. 68-0295

1.239 SO 2 - ~ 7 < 10

6 p.r. — Baxe 64—0132

Thom.. 64—0046

1.240 s 2 o

2 - 11.9 < 10

8 • p.r. — Thom . .64-0046 - 7.6 x 10

9 p.r. — Baxe.. ..64-0132 - 6.0 x 10

8 p.r. k detd. at 15—80°C; E t = 3.8 kcal mol 1

. Cerc69-0567

- 9 x 10

8 (cor.) p.r. counter ion Na ; in the Pele. 70-0242

presence of 1 M Na2 S04 , k = 1.35 x 10

9

. (Unexplained discrepancy in the above data)

1.241 HSOe ;q + HSOJ -$> SO 2 " + OH

or -3> S0 4 + OH

8.4 x 10

9 p.r. Roeb.. 69-0158

1.242 s 2 o

2 - ~ 7 1.1 x 10

10 p.r. — Thom.. 64—0046

e .q + S 2 0

2

-3> SO 4 + - 7.6 x 10

9 p.r. — Baxe. .65— 0044 so; - 1.1 x IO

10 p.r. — Roeb. .69—0158

1.243 sbo; 11.0 1.3 x IO

10 p.r. counter ion K

+

. Anba. 68-0295

11.0 (1.2 ± 0.2) x IO

10 p.r. — Anba. 65—0047

1.244 Sc(EDTA)- 11.5 3.5 x 10

7 p.r. At = 0 .2. Anba. 69-0276

1.245 H 2 Se

e aq + H2 Se HSe

- + H

6.0 (1.1 ± 0.2) x IO

10 p.r. cor. for e aq + H

+

. Scho..69— 0564

1.246 HSe" 9-12.6 (4.8 ± 0.2) x 10

7 p.r. concn. 10

3 — 102 M. Scho.. 69-0564

e.

q + HSe Se + H 2 + OH

1.247 SeO 2 " 10.8 2.3 x 10

6 (cor.) p.r. counter ion Na ; /u = 0.25 M,

i ob.= 1.2 x 10

7

. Anba. 68—0295

1.248 Se04 “ 11.0 1.1 x 10

9 p.r. counter ion Na+

; /x = 10

3 M. Anba. 68—0295

1.249 SiF 2 - 5.9 < 5.5 x 10

s p.r. counter ion Li

+

; fx = 0.15 M, Anba. 68—0295

p 3+ bm

(cor.) k ohn = 1.5 x 10

6

. 1.250 5.96 2.5 x IO

10 p.r. — Thom.. 64—0046

1.251 Sm(EDTA)- 11.5 2.6 x 10

7 p.r. ix = 0 .2. Anba. 69-0276

1.252 SnO 2 " 11 (3.4 ± 0.3) x 10

9 p.r. counter ions Cl , Na . Anba. 65—0047

1.253 SnF3- 10 9.3 x 10

9 p.r. counter ion K . Anba. 64-0282

7
Table 3. Reactions of e aq with inorganic solutes —Continued

No. Solute and Reaction pH A:(dm 3 mol *s *) Method Comments Ref.

1.254 Sn(NTA)2 ' 10.9 (1.7 ± 0.3) x 10* p.r. counter ion Cl ; soln. 2 x 10

2 Af nitrilotriacetic acid.

Meye.69—0277

1.255 Sn(EDTA)2' 12 1.4 x 10

9 p.r. /x = 0.2. Anba. 69-0276

1.256 SnO 2 ' 11.0 6.3 x 10

8 p.r. counter ion Na+

; /a = 10

3 M

.

Anba.68-0295

1.257 SnF 2 '

Tb3+

6.5 2.9 x 10

9 (cor.) p.r. counter ion K ; /x = 10 M

;

k ob.= 4.1 x 10

9

. Anba. 68-0295

1.258 6.15 3.7 x 10

8 p.r. — Thom.. 64-0046 - 1.7 x 10

7 p.r. — Baxe..65—0044

(Unexplained discrepancy in the above data) 1.259 Tb(EDTA)" 12 5.3 x 10

6 p.r. /x = 0.2. Anba. 69-0276

1.260 TeO 2 ' 7 6 x 10® p.r. counter ion Na+

. Brow .. .64- 0045

10.9 1.1 x 10

9 p.r. counter ion Na

+

; /x = 10 M. Anba. 68-0295

12.6 8.7 x 10® (rel.) y-r. c.k., k i. 26o/k(e^q + N2 0) =

0.10 at pH 12.6 and 0.53 at

Dain. 65-0073

14 4.6 x 10

9 (rel.) pH 14, assumed k(e mq + N2 0) =

8.7 x 10

9

. 1.261 TeO 2 ' 11.0 1.6 x 10

10 p.r. counter ion Na +

, /x = 10

3 M

.

Anba. 68-0295

1.262 Ti(EDTA)" 11.2 < 4 x 10® p.r. — Anba. 66-0825

1.263 TiO 2 ' 11.5 < 5 x 10

6 p.r. — Anba. 64-0282

1.264 TiF 2 ' 6.6 3.5 x 10

9 (cor.) p.r. counter ion Na ; /x = 0. 1 M ; k oba = 5.8 x 10

9

. Anba. 68-0295

1.265 Tl.% - ~ 1.1 x 10

10 p.r. — Baxe 64-0132

7 3.0 x 10

10 p.r. — Baxe. .65-0044

8.5 4.0 x 10

10 (cor.)

2.8 x

10‘°

p.r. counter ion S04 ; /a = 10 A/; * ob,= 3.7 x 10*°. Anba. 68-0295

— p.r. k detd. at 15—80°C;

E m — 2.6 kcal mol 1

. Cerc69-0567

1.266

rp 3+

I m 6.05 3 x 10

9 p.r. — Thom.. 64-0046

1.267 Tm(EDTA)' 12 1.4 x 10

7 p.r. /x = 0.2. Anba. 69-0276

1.268 uo

2+ - 7.4 x

10'° p.r. — Baxe. .65-0044

1.269 voj 11.0 4.9 x 10

9 p.r. counter ion NH4 , /x = 10

-4 M. Anba.68-0295

1.270 Y

3+ - 2 x 10® p.r. — Baxe. .65—0044

1.271 Y(EDTA)" 12 1.1 x 10

7 p.r. /x = 0.2. Anba.69-0276

1.272 Yb3+ 6.03 4.3 x lO

10 p.r. — Thom . . 64—0046 - 3.7 x 10

10 p.r. — Baxe.. 65—0044

1.273 Yb(EDTA)' 12 2.0 x 10

9 p.r. /x = 0.2. Anba.69-0276

1.274 Zn! q+ - 1.7 x 10

9 p.r. — Baxe.. 63—0187 - 1.5 x 10

9 p.r. — Baxe.. 65—0044

6.8 (1.0 ± 0.3) x 10

9 p.r. counter ion SO2

. Anba. 65-0047

9.7 (5.6 ± 0.7) x 10® p.r. counter ions SO2

, Na+, soln. contains Zn and

Zn(OH):q l:l.

Anba. 65-0047

1.275 Zn(OH).+

q 12 (2.0 ± 0.3) x 10® p.r. counter ions SO2

, Na+

. Anba.65-0047

1.276 Zn(OH)2 ' 14 (1.6 ± 0.3) x 10

7 p.r. counter ions SO2

, Na+

. Anba.65-0047

3 Af OH' 1.7 x 10

6 (cor.) p.r. counter ions SO2

, Na+

; *ob.= (7.5 ± 1.5) X 10

6

. Anba. 65-0047

1.277 Zn(NH 3 ) 2 + 11.1 (6.5 ± 0.6) x 10® p.r. soln. contains 0.2 MNH3

. Anba. 65—0047

1.278 Zn(en) 3 + 11.2 (5.2 ± 0.8) x 10® p.r. counter ion SO2

; soln. contains 10 M ethylene—

Meye.69-0277

diamine di— HC1.

1.279 Zn(CN)2 ' 10 (7.2 ± 1.0) 10

7 p.r. soln. contains 0.1 M CN ; Anba. 65—0047

(cor.) k obm =(1.8 ± 0.2) x 10®. 1.280 Zn(EDTA)2' 12 < 1.8 x 10® p.r. /x = 0.2. Anba. 69—0276

1.281 Zn(NTA)' ~ 10 (7.5 ± 1.1) x 10

7 p.r. counter ion SO2

; concn. ~ 10

"4 M.

Meye.69—0277

1.282 Zn(NTA)4 " ~ 11 < 1 x 10

7 p.r. counter ion S04 , concn. ~ 10'2 M.

Meye.69—0277

1.283 Zn(gly)3 11.1 (4.8 ± 0.7) x 10

7 p.r. counter ion S04 ; soln. contains 10

1 M glycine.

Meye.69—0277

8
Table 4. Reactions of e with organic solutes

No. Solute and Reaction pH A:(dm 3 mol -1

s

! ) Method Comments Ref.

1.284 acetaldehyde 6.55, 11 3.5 x 10

9 p.r. — Gord.... 63-0073,

1.285 acetaldoxime 10.82 7.2 x 10

7 p.r. — Hart.. 67—0298

1.286 acetamide 5.5-6 4 x 10

7 (rel.) y-r. c.k., assumed k(e, q + NO^) =

1.1 xlO10. Anba.67-0098

3 x 10

7 (rel.) y-r. c.k., assumed k(e, q +

p -BrC6 H5 OH) = 1.2 x 10

10

; k detd. at 20, 45 and

70°C to give E m = 3.5 ± 0.5 kcal mol 1

. 10.9 1.7 x 10

7 p.r. — Hart.. 67 -0298

1.287 acetate ion ~ 10 < 10

6 p.r. solute concn. 1 M. Gord. ...63-0073 9.5- <(1.2 ± 0.4) x 10

6 p.r. solute concn. 10 M , k obm = Anba. 65-0015

10.5 (cor.) < (2.0 ± 0.5) x 10

6

. 1.288 acetic acid 5.4 (1.8 ± 0.3) x 10® p.r. — Gord.... 63-0073

e ;q + CH3 COOH^

CH3 COO~ + H

1.289 acetone 5.9 x 10 9 The value listed has been used to calculate specific rates of the following reactions from relative rates: 1.131, 1.177, 1.391

7 (5.9 ± 0.2) x 10

9 p.r. — Gord.. ..63-0073 - (1.6 ± 0.2) x 10

9 p.r. soln. contains 12.4 MKF. Anba. 65—0001

7 (5.9 ± 0.2) x 10

9 p.r. — Anba. 65-0047

11 (5.6 ± 0.6) x 10

9 p.r. soln. H2 -satd. Anba. 65-0047

14 (5.2 ± 0.6) x 10

9 p.r. — Anba. 65-0047

3 M OH~ (4.2 ± 0.5) x 10

9 p.r. — Anba. 65-0047

11 6.9 x 10

9 p.r. soln. H2 —satd. Hart. 65-0494

7 6.4 x 10

9 (rel.) y-r. c.k., k + SF6 ) =

0.39, assumed k(e aq + SF6 ) =

1.65 x 10

10

.

Asmu. 68-0159

- 6.4 x 10

9 (rel.) y-r. c.k., D2 0 soln. k 1 . 289 /^ ( e d + Asmu. 69-0242

SF6 ) = 0.39, assumed k(e^ + SF6 ) = 1.65 x 10

10

. ~ 7.6 x 10

9 p.r. in coned, soln. (0.1— 1.8 M),

k = 9.5 x 10

9

.

Aldr.. .71-0019

1.290 acetone semicarbazone 10.7 3.4 x 10

8 p.r. — Hart64-0287

1.291 acetone oxime 7.75 3.0 x 10

8 p.r. — Hart.. 67-0298

1.292 acetonitrile 7.2 3.0 x 10

7 p.r. — Anba. 64-0282

1.293 N -acetylalanine 3 1.3 x 10® (rel.) y-r. c.k., assumed k(e aq + C1CH2 C00H) = 6.9 x 10

9

.

Will. 67-0310

1.294 N — acetylalanine 8. 6-9.0 1.0 x 10

7 p.r. — Braa65—0390

(negative ion) 6.7 LI x 10

7 (rel.) y-r. c.k., assumed k(e aq + C1CH2 C00“) = 1.2 x 10

9

.

Will. 67-0310

7 6.3 x 10

6 (rel.) y-r. c.k., k calca. irom

k ( e;q + ClCH2 COO~)/k 1294 =

Rodg..68-0006

1.9 x 10

2

, assuming k(eaq + ClCHjCOO") = 1.2 x 10

9

. 1.295 acetylene 3.3 (3.5 ± 0.45) x y-r. c.k., assumed k(e aq + H

+

) = Fiti. 68-0502

10

10 (rel.) 2.3 x 10

10 1.296 N -acetylglycine

(negative ion) 5.95 2 x 10

7 p.r. — Braa65-0390

1.297 cis -aconitate ion 11 (2.1 ± 0.5) x 10

8 y-r. c.k., k ealed. from k 1 297 /k Stoc. 66-0160

(rel.) ( e ;q + C1CH2 C00") = 0.18 ±

0.04 assuming k(e, q + ClCH2 COO“) = 1.2 x 10

9

. 1.298 acridine orange — 3.2 x 10

10 p.r. Also studied effect of various polyanions on rate.

Bala.. .68-2104

1.298a acriflavine - (3.7 ± 0.4) x 10

10 p.r. — Prue.70—0241

1.299 acrylamide 7 1.8 x 10

10 p.r. — Gord.... 63-0073

19
Table 4. Reactions o/eaq with organic solutes— Continued

No. Solute and Reaction pH &(dm 3 mol *s _1

) Method Comments Ref.

7 (2.1 ± 0.4) x 10

10 p.r. one detn. from growth of Cham. ...67-0171 absorption at 275 nm gave

k = (1.8 ± 0.7) x 10

10

. Cham. ..66-2058

— 3.3 x 10

10 p.r. k detd. at 15—80°C;

E a = 3.9 kcal mol '. Cerc69—0567

1.300 adenine 6 3 x 10

10 p.r. soln. buffered with KH2 P04 + Na2 S04 ; p. = 0.1. Gree. .68-0316

1.301 adenosine 12 1.0 x 10

10 p.r. — Hart.. 64—0044 “ 1.3 x 10

10 (rel.) 7-r. c.k., k calcd. from k 1301 //c

( e ;q + N2 0) = 1.54 ± 0.15 Scho. 64-0094

assuming k(e aq + N 2 0) = 8.7

x 10

9

. 5.5 3.1 x 10

10 p.r. — Scho... 65-0388

1.302 adenosine — 5'- phos— - 4.4 x 10

9 (rel.) y-r. c.k., k calcd. from k 1 302 l Scho. 64-0094

phate

7 3.8 x 10

9 p.r.

k (e aq + N2 0) = 0.52 ± 0.05 assuming k(e aq + N 2 0) = 8.7 x io

9

. Scho. ..65—0388

5.8 5.2 x 10

9 p.r. phosphate may be at 3' - or

5' — position.

Braa65-0778

8.3 4.0 x 10

9 p.r. soln. contains 101 M

sodium formate. Land. 68-0441

1.303 Dl. —alanine 3 8.4 x 10® (rel.) y-r. c.k., assumed k(e aq + Will. 67-0310

(positive ion) C1CH 2 C00H) = 6.9 x 10

9

. 1.304 Dl. — alanine 6.4 5.9 x 10

6 p.r. pH is above the isoelectric Davi. .65-0389

(negative ion) 6.8 < 5 x 10

6 p.r. point. Braa66-001

1

1.305 /3-alanine 6.85 < 4 x 10

6 p.r. — Braa66-001

1

1.306 Dl. — alanyl — di. — alanine

(negative ion)

6.27 1.3 x 10®

2.1 x 10®

p.r. — Braa67-3005

1.307 Dl. — alanylgylcine

(negative ion)

6.22 p.r. — Braa65-0390

1.308 1.3 x 10® Dl. — alanyl— Dl.— leucine

(negative ion)

6.46 p.r. Braa67-3005

1.308a albumin (egg) 11.53 1.3 x 10

10 p.r. — Braa67—3005

1.308b albumin (human serum) 9.0 (8.2 ± 0.1) x 10

9 p.r. contains 10 M formate ion, 10

3 M Na2 B4 07 ; also studied complex with eosin.

Husa.. 70-0253

12.0 (3.3 ± 0.3) x 10

9 p.r. contains 10

2 M formate

ion, 10

2 M NaOH.

Husa..70—0253

1.309 allyl alcohol < 10

6 (rel.) y-r. solute did not compete

with N2 0.

Scho. 64-0094

1.309a allylamine 11.3 1.2 x 10

7 p.r. — Geto. 70-0371

1.310 p -aminobenzoate ion ~ 11 2.1 x 10

9 p.r. — Anba. 64-0138

4.2 x 10

9 (rel.) r. c.k., k calcd. from k , 31Jk

(e aq + 02 ) = 0.22 assuming

k (e aq + 02 ) = 1.9 x 10

10

.

Nakk65-0739

1.311 o -aminobenzonitrile 10 1.1 x 10

10 p.r. — Anba. 64-0282

1.312 4 — aminobutyrate ion 6.65 < 9 x 10

6 p.r. — Braa66-001

1

1.313 2-aminopyrimidine 5.5-6 1.4 x 1

0

10 (rel.) y-r. c.k., assume k(e aq + NO^) =

1.1 x 10

10

. Anba..67-0098

1.3 x 10

10 (rel.) y-r. c.k., assume k(e aq + p—BrC 6 H4 OH) = 1.2 x 10

10

; k detd. at 20, 45 and 70°C to give E m =

3.7 ± 0.5 kcal mol 1 (ave. of both methods).

1.313a 4 — aminopyrimidine 6.5-7 (5.2 ± 0.4) x 10

9 p.r. no OH scavenger added. Fiel. 70-0226

1.313b amylamine 11.8 < 4 x 10

s p.r. — Geto. 70-0371

1.314 aniline 11.94 < 2 x 10

7 p.r. — Hart.. 64-0044

1.315 arabinose - < 10

7 p.r. — Hart.. 64-0048

20
Table 4. Reactions of e^Q with organic solutes— Continued

No. Solute and Reaction pH &(dm 3 mol _1

s _1

) Method Comments Ref.

1.316 1 . -arginine 6.10 1.5 x 10

8 p.r. — Braa66-001

(positive ion) 8.0 1.2 x 10

8 p.r. value of k from graph. Braa66-001

8.7 1.2 x 10

8 p.r. value of k from graph. Braa66—001

8.9 1.1 x 10

8 p.r. value of k from graph. Braa66-001

1.317 1 . — arginine

(zwitterion)

9.9 6.0 x 10

7 p.r. value of k from graph. Braa66—0011

1.318 1 . -arginine 11.5 6.3 x 10

7 p.r. isoelectric point of Braa66-001

(negative ion) 2 x 10

8 arginine is 10.76. 1.319 1 . -asparagine 4.7 p.r. — Braa65-0778

(zwitterion) 7.3 1.5 x 10

8 p.r. — Braa66-001

1.320 1 . -asparagine 11.7 2.4 x 10

7 p.r. — Braa66-001

(negative ion) 1.321 aspartate ion 7.3 < 10

7 p.r. k < 10

7 was also reported in Braa66-001

(monoanion) 64—0048; pH not specified. 1.322 aspartate ion (dianion)

10.5 < 5 x 10

6 p.r. — Braa66-001

1.323 benzamide ~ 11 1.7 x 10

10 p.r. — Anba. 64-0138

1.324 benzene 7 < 7 x 10

6 p.r. — Hart.. 64-0044 ~ 11 1.4 x 10

7 p.r. — Anba. 64-0138

'll 1.2 x 10

7 p.r. — Mich. 70-021

1.325 benzenesulfonamide ~ 11 1.6 x 10

10 p.r. — Anba. 64-0138

1.326 benzenesulfonate ion 7 1.2 x 10

9 (rel.) -y-r. c.k., assume k(e, q + NO^) =

1.1 x 10

10

. Anba. .67-0098

k detd. at 20, 45 and

70°C by c.k. with N03 and

also p —bromophenol gives

E m = 3.5 ± 0.5 kcal mol *. - 11 4.0 x 10

9 p.r. — Anba. 64-0138

1.327 benzoate ion ~ 11 3.1 x 10

9 p.r. — Anba. 64—0138 - (1.7 ± 0.15) x 10

9 p.r. soln. contains 12.4 M KF. Anba. 65—0001 5.35-

5.45

5.4 x 10

9 p.r. — Szut...65—0018

7.19-

7.74

3.1 x 10

9 p.r. — Szut.. .65—0018

12.3 2.8 x 10

9 (cor.) p.r. Jc ob. = 3.6 x 10

9

. Szut...65—0018

7 (3.5 ± 0.4) x 10

9 p.r. — Anba. 65—0047

11 (3.1 ± 0.3) x 10

9 p.r. — Anba. 65-0047

14 (2.9 ± 0.3) x 10

9 p.r. — Anba. 65-0047

3 M OH" (2.4 ± 0.3) x 10

9 p.r. — V Anba. 65-0047

11 2.6 x 10

9 (rel.) y-r. c.k., k calcd. from k l 327 l k (e~

q + C1CH2 C00~) = 2.2 ±

0.4 assuming k (e + ClCH2 COO”) = 1.2 x 10

9

.

Stoc. 66-0160

7 3.6 x 10

9 (rel.) y-r. c.k., with NOa or p—bromo—

phenol, k detd. by both methods at 20, 45, and 70°C

to give E m = 3.6 ± 0.5 kcal mol 1

.

Anba.. 67-0098

1.327a benzoic acid 5.4 3.3 x 10*° (calcd.) p.r. calcd. from k obm = 5.4 x 10

9 and pK (benzoic acid) = 4.19.

Szut. ..65—0018

1.328 benzonitrile ~ 11 1.6 x 10

10 p.r. — Anba. 64-0138

7.16 1.9 x

10'° p.r. soln. contains 5 x 10

2 M

formate; d.k. at 600 nm;

Chut. 70-0657

p.b.k. at 315 nm gave k =

1.7 x 10

10

. 1.329 benzophenone 7 ± 1 (3.0 ± 0.5) x

10‘° p.r. — Land68-0727

1.330 p — benzoquinone 6.6 1.25 x 10

9 p.r. — Hart.. 64-0044 r . 2.7 x 10

10 p.r. — Land. 70-0198

1.331 benzyl alcohol ~ 11 1.3 x 10

8 p.r. — Anba. 64-0138

21
Table 4. Reactions of with organic solutes — Continued

No. Solute and Reaction pH A:(dm 3 mol _1

s

_1

) Method Comments Ref.

5.5-6 1.9 x 10® (rel.) y-T. c.k., assume Anba. .67-0098

k (e”

q + N03 ) = 1.1 x

10'°. 1.8 x 10® (rel.) y-r. c.k., assume k(e, q +

p -BrC6 H4 OH) = 1.2 x 10

10

; k detd. at 20, 45 and

70°C by both methods to give E m = 3.7 ± 0.5 kcal mol 1

. 1.331a benzylamine 11.4 3.4 x 10

7 p.r. — Geto. 70-0371

1.331b benzylammonium ion 8.8 1 .45 x 10

9 (calcd.) p.r. — Geto. 70-0371

1.332 benzyl chloride - 10 (5.5 ± 0.5) x 10

9 p.r. — Anba. 65-0015 ~ 11 5.1 x 10

9 p.r. — Anba. 64-0138

1.333 benzyltrimethyl- - 1.2 x 10

10 (rel.) y-r. c.k., assume Kabi. 68-0205

ammonium ion k(e~mq + N2 0) = 8.7 x 10

9

e ;q + c 6 h5 ch2 n(ch 3 ) 3+ or k(e tq + H

+

) = 2.3 x 10

10

. C 6 H5 CH2 +(CH3 ) 3 N

1.333a biphenyl-4- 9.1 9.6 x 10

9 p.r. — Eber. 70-0411

carboxylate ion 1.334 2,2'-bipyridine 6.25-7.2 (1.8 ± 0.2) x 10

10 p.r. — Walt67-0560

9.2 2.5 x 10

10 p.r. — Eber. 70-0411

1.334a 4,4'-bipyridine 9.3 3.3 x 10

10 p.r. — Eber. 70-0411

1.335 bromoacetate ion ~ 10 (6.2 ± 0.7) x 10

9 p.r. — Anba. 65-0015

1.336 bromobenzene ~ 11 4.3 x 10

9 p.r. — Anba. 64-0138

1.337 p -bromobenzoate ion - 11 7.7 x 10

9 p.r. — Anba. 64-0138

1.338 1-bromobutane 6.57 1.0 x 10

10 p.r. — Szut.. .65-0018

e~q + C 4 H9 Br -> - 1.0 x 10

10 p.r. — Bull. 70-0407

C 4 H 9 + Br

1.339 bromoethane 7.12 1.2 x 10

10 p.r. — Szut. ..65-0018

e« q + C 2 H 5 Br - 1.2 x 10

10 p.r. — Bull. 70-0407

C 2 H 5 + Br

1.340 2-bromoethanol ~ 10 (1.6 ± 0.2) x 10

9 p.r. — Anba. 65-0015

1.341 o -bromophenoxide ion ~ 11 1.9 x 10

9 p.r. — Anba. 64—0138

1.342 m —bromophenoxide ion ~ 11 2.7 x 10

9 p.r. — Anba. 64-0138

1.343 p -bromophenol 1.2 x 10

10 The value listed has been used to calculate s jecific rates of the following reactions from relative rates: 1.62, 1.188, 1.189, 1.286, 1.313, 1.326, 1.327, 1.331, 1.358, 1.386, 1.577, 1.578. 5.5-6 1.2 x 10

10 (rel.) y-r. c.k., k calcd. assuming k(e. q + Anba. .67-0098

N03 ) = 1.1 x 10

10

; k detd.

at 20, 45, and 70°C to give E m =

3.0 ± 0.5 kcal mol '. - 1.2 x 10

10 p.r. k detd. at 15-80°C; E t = 3.08 Cerc69-0567

kcal mol

-1

1.344 p -bromophenoxide ion ~ 11 2.9 x 10

9 p.r. — Anba. 64-0138

1.345 1 -bromopropane 6.15 8.5 x 10

9 p.r. — Szut. ..65-0018

1.346 2-bromopropionate ion - 10 (5.3 ± 0.8) x 10

9 p.r. — Anba. 65-0015

1.347 3-bromopropionate ion ~ 10 (2.7 ± 0.3) x 10

9 p.r. — Anba. 65-0015

1.347a bromotrifluorom ethane 9-10 (2.35 ± 0.15) x p.r. — Bull. 70-0407

e; q + CF3 Br -s> CF3 +

D

" 10

10

1.348 5-bromouracil — 1.9 x 10

10 p.r. k detd. at 15— 80°C; Cerc69-0567

E m = 3.9 kcal mol '. 7.0 2.6 x 10

10 p.r. — Zimb. .69-0826

1.349 butadiene 7 8 x 10

9 p.r. see also 1.378 for relative Hart.. 64-0044

rate. 1.350 2,3-butanedione i

.

1.0 x 10

10 p.r. — Lili.. 68-0249

1.351 3-butenenitrile 7.0 9.1 x 10

8 p.r. — Anba. 64-0282

22
Table 4. Reactions of with organic solutes— Continued

No. Solute and Reaction pH A;(dm 3 mol _1

s _1

) Method Comments Ref.

1.352 tert - butyl alcohol 6-12 ~ 10

8 (rel.) y-r. c.k., with metal ions, estimated from inhibition of tritium exchange, involves

a number of assumptions.

Gold. 70-0034

1.352a tert -butylammonium ion 7.9 1.1 x 10

6 p.r. — Geto. 70-0371

1.353 tert- butyl mercaptan

e”q + (CH 3 ) 3 CSH

(CH 3 ) 3 C- + SH"

7 (3.0 ± 0.45) x 10

9 p.r. Karm . . . 69—0553

1.354 carbon disulfide 7 (3.1 ± 0.15) x

10

10 p.r. — Gord.... 63-0073

7.7 3.1 x 10

10 p.r. — Hart.. 64-0044

1.355 carbon tetrachloride 7 3.1 x 10

10 p.r. — Gord.... 63-0073

7 3.0 x 10

10 p.r. — Hart.. 64-0044

1.356 catalase > 7 3.7 x 10

9 p.r. mol. wt. 2.5 x 10® Heng...66—0499

1.357 Omitted

1.358 chloroacetate ion 1.2 x 10

9 The value listed has been used to calculate specific rates of the following reactions from relative rates: 1.116a, 1.294, 1.297, 1.327, 1.416, 1.476, 1.500, 1.510, 1.558, 1.568, 1.573, 1.584, 1.607, 1.614.

* ~ 10 (1.2 ± 0.15) x 10

9 p.r. — Anba. 65-0015

7 1.1 x 10

9 (rel.) y-r. c.k., k calcd. assuming

k (e aq + p-BrC6 H4 OH) = 1.2 x

10

10

; k detd. at 20, 45, and

70°C. to give E m = 3.8 ± 0.5 kcal mol 1

.

Anba.. 67-0098

11 8.9 x 10® p.r. k detd. at 2—62°C to give

£. = 3.2 ± 0.4. Anba. 67-0299

8.5 2.5 x 10

9 p.r. concn. >0,1 M. Aldr... 71-0019

1.359 chloroacetic acid 6.9 x 10

9 The valu< listed has been used to calculate specific

e ; q + ClCH 2 COOH ^ rates of the following reactions from relative rates: cr + ch 2 cooh 1.293, 1.303, 1.414, 1.417, 1.443, 1.450, 1.453. 1.0-1.

5

6.9 x 10

9 (rel.) y-r. c.k., k calcd. from k 1359/k

(el, + H

+

) = 3.34-3.49 assuming /c(e aq + H

+

) = 2.3

x 10

l°.

Hayo. 61-0025

1.360 chlorobenzene ~ 11 5.0 x 10® p.r. — Anba. 64-0138

1.361 o — chlorobenzoate ion ~ 11 1.2 x 10

9 p.r. — Anba. 64-0138

1.362 m -chlorobenzoate ion ~ 11 5.5 x 10

9 p.r. — Anba. 64-0138

1.363 p -chlorobenzoate ion ~ 11 6.0 x 10

9 p.r. — Anba. 64-0138

1.364 1 — chlorobutane 7.28 4.5 x 10® p.r. — Szut.. .65—0018

e“q + C 4 H 9 C1 -3> ~ 10 (3.2 ± 0.4)x 10® p.r. — Anba. 65-0015 c 4 h 9 + cr 4.5 x 10® p.r. — Bull. 70-0407

1.365 2-chlorobutane 6.64 5.1 x 10® p.r. — Szut. ..65-0018 ~ 10 (5.1 ± 0.8) x 10® p.r. — Anba. 65-0015

1.366 2 — chloroethanol ~ 10 (4.1 ± 0.6) x 10® p.r. — Anba. 65-0015

11 3.3 x 10® p.r. k detd. at 2—62°C to give

£,= 3.1 i 0.6 kcal mol '. Anba. 67-0299

1.367 chloroform 7 3.0 x 10

10 p.r. — Hart.. 64—0044

1.367a chloromethane - ... 1.1 x 10

9 (rel.) y-r. c.k., CH3 C1 concn. 1.2 x Balk. .70-0225

e iq + CH 3 C1 S> 10

2 M ; k calcd. assuming

•ch 3 + cr

10 ~ 8 x 10® p.r.

k (e aq + SF6) = 1.65 x 10

10

. lower limit only because

of volatility losses.

Balk.. 70-0225

1.368 1—chloro-2— methylpropane (isobutyl

chloride)

5.82 ' 5.1 x 10® p.r. Szut... 65—0018

1.369 o — chlorophenoxide ion ~ 11 2.0 x 10® p.r. — Anba. 64-0138

1.370 m —chlorophenoxide ion ~ 11 5.0 x 10® p.r. — Anba. 64-0138

23
Table 4. Reactions of eaq with organic solutes— Continued

No. Solute and Reaction pH A:(dm 3 mol - 1 s

-1

) Method Comments Ref.

1.371 p

—chlorophenoxide ion ~ ll 6.4 x 10® p.r. Anba. 64-0138

1.372 1 -chloropropane 6.27 6.9 x 10® p.r. — Szut.. .65—0018

e aq + C 3 H 7 C1 -3> c 3 h 7 + c

r

6.9 x 10® p.r. — Bull. 70-0407

1.373 2 -chloropropionamide - (5.8 ± 0.5) x 10

9 p.r. soln. satd. with ethylene. Cham.. 70—0052

1.374 3-chloropropionamide - ( 1.8 ± 0 . 2) x 10

9 p.r. soln. satd. with ethylene. Cham. .70-0052

1.375 2 -chloropropionate ~ 10 +1 dcs X o p.r. — Anba. 65-0015

ion 1.376 3-chloropropionate ~ 10 (4.0 ± 0.4) x 10® p.r. — Anba.65-0015

ion 11 4.4 x 10® p.r. k detd. at 2—62°C to give

£, = 3.6 ± 0.4 kcal mol *. Anba. 67-0299

1.377 p -chlorotoluene ~ 11 4.5 x 10® p.r. — Anba.64-0138

1.378 chlorotrifluoro- 11 ( 1.0 ± 0 . 2) x 10

10 p.r. — Anba.64-0282

methane 9-10 +1 o X o p.r. — Bull. 70-0407

e ; q + cf3 ci 9-10 (4.6 ± 0.7) x 10

9 y-r. c.k., k(e aq + butadiene)/ Bull.70-0407 cf 3 + cr (rel.) k , 378 = 1.75 ± 0.3, assume

k(e aq + butadiene) = 8 x 10 . 1.379 cinnamate ion 7.22 6.8 x 10

9 p.r. — Szut. ..65-0018

12.45 7.2 x 10

9(cor.) p.r. k ob8 . = 9.7x 109

. Szut.. .65-0018

1.380 citrate ion - < 10

s p.r. 10 M soln. unreactive. Thom.. 64-0046

1.381 creatine 7.0 2.7 x 10

7 p.r. — Davi. .65-0389

(N -amidinosarcosine)

1.382 cyanoacetate ion ~ 11 4 x 10

7 p.r. — Anba. 65-0047

1.383 p -cyanobenzoate ion ~ 11 1.0 x 10

10 p.r. — Anba. 64-0138

1.384 1 ,3— cyclohexadiene 11 1 x 10

9 p.r. — Mich. 70-0211

1.385 1 ,4-cyclohexadiene 11 < 6.5 x 10

s p.r. — Mich. 70-0211

1.386 cyclohexanone 5.5-6 8 x 10

9 (rel.) y-r. c.k., assume k(e mq + NO^) =

1.1 x 10

10

. Anba. .67—0098

7.8 x 10

9 (rel.) y-r. c.k., assume k(e aq +

p -BrC6 H4 OH) = 1.2 x 10

10

; k detd. at 20, 45, and

70°C by both methods.

E m = 3.6 ± 0.5 kcal mol *. 1.387 cyclohexene 11 < 2 x 10

6 p.r. — Mich. 70-0211

1.387a cyclohexylamine 11.8 1.7 x 10

6 p.r. — Geto. 70-0371

1.388 cystamine 7.3 4 x

10’° p.r. — Braa66-0011

e:n + (NH,CH 9 CH,S), 4-9 ~ 4 x

10'° p.r. p.b.k. at 410 nm, estimated Adam..67-0554 rssr <^>nh 2 ch 2 ch

+ nh 2 ch 2 ch 2 s

•

2 S" value.

1.389 cysteamine (2 -amino—

ethanethiol)

6.9 2 x 10

10

3 x 10

10 (rel.)

p.r. — Braa66-0011

1.390 cysteine 1 y-r. c.k., assume A1-T68-0540

(positive ion) k(e;q + H

+

) = 2.3 x 10

10

. 1.391 cysteine 6.3 8.7 x 10

9 p.r. — Braa66—0011

(zwitterion) 5.5 1.1 x 10 *° (rel.) y-r. c.k., k 1.391 lk(emq + acetone) Wilk... 68-0002

e“ + SHCH2 CH(NH^COO" = 1.95, assume k(e, q +

-$> CH 2 CH(NH^COO" acetone) = 5.9 x 10

9 or + SH~ k i. 39 i lk(e~q + NOs ) = 1.03 assuming k(e aq + NOJ) = 1.1 x

io

10

. 7 ~ 8 x 10

9 (rel.) y-r. c.k., exptl. details not given. A1-T68-0540,

Trum67-0477

7 4.9 x 10

9 (rel.) y-r. c.k., k (e aq + O2 )/k , 39 , =

3.8, assume k(e mq + 02 ) =

1.9 x 10

10 and g(e aq ) = 2.8.

Pack. 70-0015

1.392 cysteine (negative

ion)

11.6 7.5 x 10

7 p.r. — Braa66-001

1

1.393 cystine (zwitterion) 6.1 1.3 x

10'° p.r. — Braa66-0011

24
Table 4. Reactions of e~q with organic solutes — Continued

No. Solute and Reaction pH A^dm3 mol 's -1

) Method Comments Ref.

1.394 cystine (negative 10.7 2.5 x 10

9 p.r. — Braa66—0011

ion) 12.0 3.4 x 10

9 p.r. — Hart.. 64—0044

1.395 cytidine 12.0 1.2 x 10

10 p.r. — Hart. .64—0044

1.395a cytochrome-C (ferri) 7.0 (1.3 ± 0.1) x 10

11 p.r. d.k. at 550 nm (e.

q

) or 370 nm (ferricytochrome— C) as well

as p.b.k. at 425 nm

(ferrocytochrome— C); concn. 1—3 x 10 M , contains

5 x 10

4 M NaCl.

Pech.71-0018

1.396 cytosine 6 ~ 7-8 x 10

9 p.r. — Hart.. 64-0048 - ~ 1 x 10

10 (rel.) -y-r. c.k., k x.xJkte'q + N2 0) = Scho. 64-0094

1.26 ± 0.15, assume k(e aq + N 2 0) = 8.7 x 10

9

. 1.396a dichloroacetate ion 11 4.2 x 10

9 p.r. — Aldr... 71-0019

7.5 1.0 x 10

10 p.r. concn. > 0.1 M

.

Aldr... 71-0019

1.397 o -dichlorobenzene - 11 4.7 x 10

9 p.r. — Anba.64—0138

1.398 m —dichlorobenzene ~ 11 5.2 x 10

9 p.r. — Anba. 64-0138

1.399 p -dichlorobenzene ~ 11 5.0 x 10

9 p.r. — Anba. 64-0138

1.399a dichlorodifluoro— - 6 1.4 x 10

10 (rel.) y-r. c.k., assume k(e, q + N2 0) = Balk.. 71-0026

methane 8.9 x 10

9 or k (e iq + H ) =

e « q + CF2 C12

-3> CF2 C1 + cr

2.4 x 10

10

.

1.399b 1 , 1-dichloroethylene - 2.3 x 10

10 p.r. — Koes.71-0030

1.399c 1 ,2-dichloroethylene - 7.5 x 10

9 p.r. — Koes. 71-0030

1.400 2, 4-diethoxy pyrimidine 7-11 3.0 x 10

9 p.r. PL = 0.1. Gree. .68-0316

1.401 diethylthallium ion - 3.5 x 10

10 (rel.) y-r. c.k., k i. 4oi lk(e~q + NCQ = Sarr66-0629

e~q + (C 2 Hs)2Tr -> 3.19, assume &(e~q + NOJ) =

Tl

+ + organic prod. 1.1 x 10

10

. 1.402 3—(3,4-dihydroxyphenyl)— l— alanine 6.95 1.6 x 10® p.r. — Braa66—0011

1.403 N , N—dimethylform—

amide — (5.2 ± 1.3) x 10

7 p.r. concn. 10

Z M . Fel'. .67-0054

1.404 dimethylsulfide - 2.0 x 10

7 p.r. — Meis. .67—0186

1.405 dimethylsulfoxide - 1.7 x 10

6 p.r. — Meis.. 67-0186

1.406 1 ,3-dimethyluracil 7 1.65 x 10

10 p.r. PL = 0.1. Gree. .68—0316

1.407 1,6— dimethyluracil 6.5-7 (7.9 ± 0.7) x 10

9 p.r. no OH scavenger added. Fiel. 70-0226

1.408 3,6-dimethyluracil 6.5-7 (6.0 ± 0.7) x 10

9 p.r. no OH scavenger added. Fiel. 70-0226

1.408a o ,o '— diphenate ion 9.1 3.2 x 10

9 p.r. — Eber. 70-0411

1.408b p ,p —diphenate ion 9.1 1.2 x 10

10 p.r. — Eber. 70-0411

1.408c dipyridylamine 9.1 1.4 x 10

10 p.r. — Eber. 70-0411

1.409 djenkolate ion 3,3'-methylenedithio—

bis(2— aminopropionate

ion)

11 10

8 p.r. Braa66—0011

1.409a DNA 8 > 10

12 p.r. mol. wt. 5 x 10

6

. Scho... 65—0388

10

13 (rel.) y-r. c.k., assume Ac(e iq + N2 0) =

8.7 x 10

9

.

Scho... 65—0038

1.409b dodecyl sodium

sulfate — < 2.3 x 10

s p.r. concn. 5x10 2 M

.

Fend. 70-0271

1.410 eosin(dianion) 11 1.5 x 10

10 p.r. — Hart. 66-0818

9.0 (2.2 ± 0.4) x 10

10 p.r. contains formate ion. Gros68—0309

12.0 (1.9 ± 0.1) x 10

10 p.r. contains 10~2Af formate ion. Husa..70—0253

12.0 (1.0 ± 0.2) x 10

10 p.r. p.b.k. at 405 nm, also studied complex with human

serum albumin.

Husa. .70—0253

25
Table 4. Reactions of with organic solutes— Continued

No. Solute and Reaction pH &(dm 3 mol _1s _1

) Method Comments Ref.

1.411 ethanol 12 < 10

s p.r. solute concn. 0.2— 1.0 M

.

Dorf. 63-0045

e aq + C 2 H s OH -> - < 400 f. phot. concn. ~ 1— 9 M

,

Hick. 70-7116

C 2 H 5 CT + H H2 - satd., ~ 10

3 Af NaOH;

assumed k(e. q + H 2 0) = 16 and cor. for k(H + OH ) and

k(H + C 2 H s OH).

1.412 4— ethoxy— 1 — methyluracil 6.5-7 (1.4 ± 0.2) x 10

10 p.r. no OH scavenger added. Fiel. 70-0226

1.413 4-ethoxyuracil 6.5-7 (1.7 ± 0.2) x 10

10 p.r. no OH scavenger added. Fiel. 70-0226

1.414 N -ethylacetamide 3-6.7 1.6 x 10

7 (rel.) y-r. c.k., assume /c(e„

q + C1CH2 C00H) = 6.9 x 10

9

.

Will. 67-0310

1.415 ethyl acetate 6.53 5.9 x 10

7 p.r. — Hart. .67-0298

1.416 ethyl 2-aminoacetate 6.7 1.0 x 10

9 (rel.) y-r. c.k., assume k(e aq + Will. 67-0310

(glycine, ethyl

ester) C1CH 2 C00“) = 1.2 x 10

9

.

1.417 ethylammonium ion 3 ~ 10

6 (rel.) y-r. c.k., assume k(e, q + ClCH2 COOH)= 6.9 x 10

9

, cor. for e.

q + H

+

.

Will. 67-0310

7.8 2.4 x 10

6 (calcd.) p.r. k ob.= 2.7 x 10

6

. Geto. 70-0371

1.418 ethyl cyanoacetate 10.92 3.2 x 10

8 p.r. — Hart.. 67-0298

1.419 ethylene 7 < 2.5 x 10

6 p.r. — Cull.. 65.0053

1.420 ethylenediamine— 8-11 < 1.5 x 10

6 p.r. — Anba.64—0282

tetraacetate ion

1.421 ethyl ether - < 10

7 p.r. Hart.. 64-0048

1.421a N -ethylmaleimide - 3.2 x 10

10 p.r. — Ward69-0562

1.422 fluorescein 9.2 (1.4 ± 0.2) x 10

10 p.r. soln. contains 102 JVf Cord. 68-0172

(anion) formate ion. 1.423 fluoroacetate ion ~ 10 < (1.2 ± 0.5) x 10

6 (cor.)

p.r. k ob> <(2.0 ± 0.5) x 10

6

. Anba.65-0015

1.424 fluoroacetone 6.7- 9.8 x 10

8 p.r. —— Hart.. 67-0298

10.9 1.425 fluorobenzene ~ 11 6.0 x 10

7 p.r. — Anba. 64-0138 - 7.0 x 10

7 p.r. — Koes. 71-0030

1.426 o -fluorobenzoate ion ~ 11 3.1 x 10

9 p.r. — Anba.64-0138

1.427 m -fluorobenzoate ion ~ 11 6.7 x 10

9 p.r. — Anba. 64-0138

1.428 p -fluorobenzoate ion ~ 11 3.8 x 10

9 p.r. — Anba. 64-0138

1.429 o -fluorophenoxide ion ~ 11 3.4 x 10

8 p.r. — Anba. 64-0138

1.430 m -fluorophenoxide ion ~ 11 2.0 x 10

8 p.r. — Anba. 64-0138

1.431 p -fluorophenoxide ion ~ 11 1.2 x 10

8 p.r. — Anba.64—0138

1.432 formaldehyde 7 < io

7 p.r. — Gord.... 63-0073

1.433 formamide - < 10

6 p.r. solute concn. 102 M . Fel'.. 67-0054

11 4.2 x 10

7 p.r. solute concn. 10 Af. Hart.. 67-0298

5.5-6 3.8 x 10

7 (rel.) y-r. c.k., assume k(e. q + NO^) =

1.1 x 10

10

; k detd. at 20, 45 and 70° C,

E m = 3.2 ± 0.5 kcal mol *.

Anba. .67—0098

1.434 formate ion ~ 9 < 1.4 x 10

4 (cor.) p.r. concn. 10

1 M; counter

ion Na +

; k obs = < 2.5 x 10

4

. Keen.. 65-0396 ~ 11 < 1 x 10

4 (cor.) p.r. solute concn. < 0.2 M ; Swal68-0418

k obs = 2.4 x 10

4

; counter

ions Na+

, Ba

2+

. 1.435 formic acid 5.0

CB +1 o X o p.r. — Gord.. ..63-0073

1.436 fumarate ion 13 7.5 x 10

9 p.r. — Hart.. 64-0044

1.437 furan 7.94 3.0 x 10

6 p.r. — Szut.. .65—0018

1.437a gelatin 5.85 6.1 x

10'° p.r. — Braa67—3005

6.2 5.0 x IO

10 p.r. — Braa67—3005

6.22 4.9 x 10'° p.r. — Braa67— 3005

5.97 6.4 x 10

10 p.r. — Braa67-3005

26
Table 4. Reactions of eaq with organic solutes — Continued

No. Solute and Reaction pH &(dm 3 mol _1 s

_1

) Method Comments Ref.

10.39 11.123.0 x 10

10 2.6 x 10

10 p.r.

p.r. — Braa67-3005Braa67-3005

1.438 glucosamine 7.7 3.5 x 10

7 p.r. — Braa66-001

1.439 D— glucose — ~ 3 x 10

s p.r. solute concn. 5 x 104 —

5 x 10~2 M.

Davi.. 65-0391,

Phil.. 66-02 11 1.439a D -glucuronate ion 40 | < 10

6 p.r. concn. 10

1 M. Phil. 70-0509

1.440 1

. -glutamate ion 7 < 10

7 p.r. — Hart.. 64-0048

(monoanion) 10.2

5.7

5 x 10

6

= 2 x 10

7

p.r.

p.r.

at this pH solute is mixture of monoanion and

dianion; estd. value for the dianion: k < lx 10

6

.

Braa65-0778

Braa66-0011

1.441 glutathione(reduced

form)

6.4 3.2 x 10

9 p.r. — Braa66—0011

1.442 glutathione

(oxidized form;

disulfide)

8.25 4.6 x 10

9 p.r. Braa66-0011

1.443 glycine

(positive ion)

3 4.7 x 10® (rel.) 7-r. c.k., assume k(e + ClCH2 COOH) = 6.9 x 10

9

.

Will. 67-0310

1.444 glycine (zwitterion) 6.4

8.5

8.3 x 10

6 5.5 x 10

6 p.r.

p.r.

solute concn. 5 x 10

2 M.

solute concn. 3 x 10 M

.

Davi.. 65-0389

Davi.. 65-0389

1.445

1.446

glycine (negative

ion) omitted

11 1.8 x 10

6 p.r. solute concn. 3 x 102 M

.

Davi. 65-0389

1.447 glycyl— DL -alanine

(negative ion)

6.22 2.9 x 10® p.r. — Braa65-0390,

67-3005

1.448 glycyl- l -asparagine 5.33 5.4 x 10® p.r. — Braa67—3005

1.449 glycyl- l -asparagine

(negative ion)

11.41 8 x 10

7 p.r. — Braa67-3005

1.450 glycylglycine

(positive ion)

3 9.3 x 10® (rel.) y-r. c.k., assume k(e. q

4- C1CH2 C00H) = 6.9 x 10

9

.

Will. 67-0310

1.451 glycylglycine

(zwitterion) 6.38 2.5 x 10

8 p.r. — Braa65-0390,

67-3005

1.452 glycylglycine

(negative ion)

11.75 5 x 10

7 p.r. — Braa65—0390,

67-3005

1.453 glycylglycylglycine

(positive ion)

3 3.1 x 10

9 (rel.) y-r. c.k., assume k(e. q + ClCH2 COOH) = 6.9 x 10

9

.

Will. 67-0310

1.454 glycylglycylclycine

(zwitterion)

6.0 9.0 x 10® p.r. — Braa65-0390,

67-3005

1.455 glycylglycylglycine

(negative ion)

11.1 9 x 10

7 p.r. — Braa65—0390,

67-3005

1.456 glycyl- 1

. -leucine 5.9 1.5 x 10® p.r. — Davi.. 65-0389

(zwitterion) 6.46

8.74

2.8 x 10

8

7 x 10

7 p.r.

p.r. — Braa67-3005

Braa67-3005

1.457 glycyl- 1 . -leucine

(negative ion) 8.94 6.5 x 10

7 p.r. — Braa67-3005

1.458 glycyl— i. — phenylalanine

6.7 1.6 x 10

8 p.r. — Davi.. 65—0389

1.459 glycyl- 1

. -proline 6.66 1.1 x 10

9 p.r. — Braa65-0390,

67-3005

1.460 glycyl- 1

. -tryptophan 6.37 4.5 x 10

8 p.r. — Braa65—0390,

67-3005

1.461 glycyl- 1 .- tyrosine 6.13 4.1 x 10

8 p.r. — Braa65-0390,

67-3005

1.462 glycyl— Dl. — valine 5.97 2.6 x 10® p.r. — Braa65-0390,

67-3005

1.463 guanidine

(positive ion)

6.1 2.5 x 10

8 p.r. values for k from graph. Braa66-001

27

491-262 OL - 73 - 6
Table 4. Reactions of eaq with organic solutes — Continued

No. Solute and Reaction pH A:(dm 3 mol -1

s

-1

) Method Comments Ref.

1.464 guanidine 11.1 1.9 x 10

8 p.r. values for k from graph. Braa66-001

1

11.9 1.6 x 10

8 p.r. values for k from graph. Braa66-0011

1.464a hemin - 6.0 x 10

9 p.r. — Davi. .65-0781

1.465 hemoglobin - 2.6 x 10

10 p.r. — Davi.. 65-0781

1.465a hexadecyltrim ethyl- - < 9.2 x 10

5 p.r. concn. 5 x 10

2 M . Fend. 70-0271

ammonium bromide

1.465b hexadecylpyridin- - 2.6 x 10

10 p.r. also studied effect of Bala.. .68-2104

ium chloride heparin on rate. - 5 x 10

10 p.r. also studied effect of Moor... 67-0742

chondroitin 4—sulfate on rate. 1.465c hexafluorobenzene - 2.0 x 10

10 p.r. — Koes. 71-0030

1.466 DL -histidine < 5 7 x 10

9 p.r. at pH 5.96 k ob> = 3.87 x Braa66-0011

(positive ion) 10

9

; at pH 6.70 k oht =

1.41 x 10

9

. 1.467 DL -histidine ~ 7 6 x 10

7 p.r. at pH 8.58, k obm = 4.5 x Braa66-0011

(zwitterion) 10

7

. 1.468 DL -histidine < 11 ~ 10

7 p.r. at pH 11.14 k ob,= 1.2 x Braa66-0011

(negative ion) P 10

7

. 1.469 histidylhistidine 5.51 7.9 x 10

9 p.r. — Braa65-0390,

6.83 2.4 x 10

9 p.r. — 67-3005

7.3 1.3 x 10

9 p.r. — 8.37 2.85 x 10

8 p.r. — 11.0 5.1 x 10

7 p.r. — 1.470 homocystine 6.90 9 x 10

9 p.r. — Braa66-0011

1.471 hydrocinnamate ion 5.43 4.9 x 10

7 p.r. At pH 5.4 the solute is Szut.. .65—0018 ~ 10% in the acid form.

12.14 1.1 x 10

7 p.r. — Szut.. .65—0018

1.472 hydrocinnamic acid 5.43 4 x 10

8 (calcd.) p.r. calcd. from k ob, for Szut. ..65-0018

mixture with hydrocinnamate

ion, see above.

1.472a hydroorotate ion 7 1.6 x 10

10 p.r. — Gree70-0567

1.473 hydroquinone ion 13 < 10

7 p.r. — Hart.. 64-0044

( p — hydroxyphenoxide

ion) 1.473a hydrothymine 7 5 x 10

9 p.r. — Phil. .69-0012

1.474 hydrouracil 7 4.5 x 10

9 p.r. p.= 0.1. Gree. .68-0316

7 1.0 x 10

10 p.r. — Phil.. 69-0012

1.475 m -hydroxybenzoate ion ~ 11 1.1 x 10

9 p.r. — Anba. 64-0138

1.476 p -hydroxybenzoate ion ~ 11 4.0 x 10

8 p.r. — Anba. 64-0138

11 2.5 x 10

8 (rel.) y-r. c.k., k calcd. from Stoc. 66-0160

^..476M(e;q + C1CH2 C00' =

0.21 ± 20% assuming /c(e.

q + C1CH 2 C00“) = 1.2 x 10

9

. 1.477 o -hydroxybenzonitrile - 11 8.2 x 10

9 p.r. — Anba. 64-0138

1.478 m -hydroxybenzonitrile ~ 11 4.8 x 10

9 p.r. — Anba. 64-0138

1.479 p -hydroxybenzonitrile - 11 2.0 x 10

9 p.r. — Anba. 64-0138

1.480 3-hydroxy-2-butanone | - 6.0 x 10

9 p.r. — Lili.. 68-0249

(acetoin)

1.481 p -hydroxyphenylpro— 11.0 < (1.7 ± 0.4) p.r. — Chry68-0062

pionate ion x 10

7

1.482 l. — hydroxy proline 10.8 1.1 x 10

7 p.r. — Braa66-001

1

1.483 hypoxanthine 6.6 1.7 x 10'° p.r. — Hart.. 64-0044

1.483a Igepal CO-730 - < 1.3 x 10

6 p.r. concn. 5 x 102 M

.

Fend. 70-0271

(nonylphenylpoly —

oxyethylene: 15) 1.484 imidazolium ion 6.3 4.3 x 10

9 p.r. — Braa66-001

1

6 3.4 x 10

9 p.r. pi = 0.1. Gree. .68-0316

1.485 imidazole 9.16 3.7 x 10

7 p.r. — Szut. ..65—0018

28
Table 4. Reactions of eaq with organic solutes — Continued

No. Solute and Reaction pH &(dm 3 mol -1

s -1

) Method Comments Ref.

11.5 2.4 x 10

7 p.r. — Braa66—0011

1.486 indigotetrasul- 6 6.8 x 10

9 (rel.) y-r. c.k., assume k(e. q + Nz O) = Raki68-0059

fonate ion 8.7 x 10

9

; counter ion K

+

. 1.487 indole - ~ 7 x 10

8 p.r. — Baxe 64-0132

7.7 (1.9 ± 0.2) x 10® p.r. — Arms.69-0459

1.487a indole—2-carboxylate 10.5 3.8 x 10

9 p.r. — Eber. 70-0411

ion 1.487b indole-3-carboxylate 10.5 1.6 x 10

9 p.r. — Eber. 70-0411

ion 1.487c indole-5-carboxylate 9.2 2.0 x 10

9 p.r. — Eber.70-0411

ion 1.488 iodoacetate ion ~ 10 (1.2 ± 0.1) x 10

10 p.r. — Anba.65—0015

1.489 iodobenzene - 11 1.2 x 10

10 p.r. — Anba. 64-0138

1.490 o -iodobenzoate ion ~ 11 4.6 x 10

9 p.r. — Anba. 64-0138

1.491 m -iodobenzoate ion ~ 11 1.3 x 10

10 p.r. — Anba. 64-0138

1.492 p -iodobenzoate ion - 11 9.1 x 10

9 p.r. — Anba. 64-0138

1.493 1-iodobutane 7.60 1.2 x 10

10 p.r. — Szut.. .65-0018

1.494 iodoethane 6.04- 1.5 x 10

10 p.r. — Szut.. .65-0018

e;q + C 2 H 5

I 6.75 c 2 h 5 + r - 1.5 x 10

10 p.r. — Bull. 70-0407

1.495 iodomethane 6.85 1.7 x 10

10 p.r. — Szut. ..65-0018

e ;q + ch 3i ^ ch3 + r - (1.7 ± 0.3) x 10

10 p.r. d.k. at 600 nm as well as Thom67-0041

p.b.k. at 230 nm (I ), soln. contains 10

3 M ethylene. - 1.65 x 10

10 p.r. — Bull. 70-0407

1.496 1 — iodopropane 6.21 1.3 x 10

10 p.r. — Szut. ..65—0018

1.497 2— iodopropionate ion ~ 10 (6.6 ± 0.9) x 10

9 p.r. — Anba. 65-0015

1.498 p -iodotoluene ~ 11 1.3 x 10

10 p.r. — Anba. 64-0138

1.499 iodouracil - 1.7 x 10

10 p.r. k detd. at 15—80°C; Cerc69-0567

E . = 2.3 kcal mol 1

. 1.499a isoamylamine 11.8 < 1.0 x 10

6 p.r. — Geto. 70-0371

1.500 isocitrate ion 11 (2.4 ± 0.5) x 10

7 y-r. c.k., k calcd. from Stoc. 66-0160

(rel.) k i. 5oo /£(e~q + ClCH2 COO“) =

(2 ± 0.4) x 10

2 assuming

k(e ;q + cich2 coo

_

) =

1.2 x 10

9

. 1.500a isonicotinamide 9.0 3.2 x 10

10 p.r. — Eber.70-0411

1.500b isonicotinate ion 10.5 2.4 x 10

10 p.r. — Eber.70-0411

1.500c isoorotate ion 7 1.1 x 10

10 p.r. — Gree70—0567

1.500d isopropylamine 12.3 < 1.5 x 10

6 p.r. — Geto. 70-0371

1.501 lactate ion 9 < 10

7 p.r. — Hart.. 64-0048

11 < 2 x 10

6 p.r. — Anba. 64-0282

1.502 l. -leucine 6.5 < 10

7 p.r. solute concn. 10”2 M

.

Braa66-0011

1.503 l.-leucyl-i. -alanine 6.1 1.65 x 10

8 p.r. — Braa67-3005

1.504 Dl. -leucylglycine 6.09 1.1 x 10

8 p.r. — Braa67-3005

1.505 leucylglycylglycine 6.0 2.0 x 10® p.r. — Davi.. 65-0389

6.93 2.8 x 10

8 p.r. — Braa67-3005

9.5 5 x 10

7 p.r. — Braa67—3005

1.506 1. — leucyl— i.— leucine 5.97 9 x 10

7 p.r. — Braa67-3005

1.507 lipoate ion 7 1.5 x 10

10 p.r. — WU170-0560

1.508 lysine 7, 7.8 ~ 2 x 10

7 p.r. — Braa65—0390,

(positive ion) 66-0011

1.509 lysozyme 6.2 7.5 x 10

10 p.r. — Eber.65-3013

6.2 7.5 x 10

10 p.r. mol. wt. 15,000. Braa67—3005

10.1 2.7 x 10

10 p.r. — Braa67—3005

10.7 1.8 x 10

10 p.r. — Braa67—3005

11.8 8.3 x 10

9 p.r. — Braa67—3005

5.6 5.2 x 10

10 p.r. mol. wt. 15,000. Davi.. 68-0683

29
Table 4. Reactions of eaq with organic solutes — Continued

No. Solute and Reaction pH A:(dm 3 mol _1

s _1

) Method Comments Ref.

7.4 3.1 x 10

10 p.r. concn. 0.8 mg/ml. Adam. . .69-3039

1.510 malate ion 11 6 x 10

? (rel.) y-r. c.k., k calcd. from k 1S10I Stoc. 66-0160

/c(e ;q + ClCH2 COO') = (5 ± 1) x 10

2 assuming k(e, q + C1CH2 C00") = 1.2 x 10

9

. 1.511 maleate ion 6.5 3.9 x 10

10 p.r. k calcd. from k ob, = 1.2 Hart.. 64-0044

(monoanion) (calcd.) x IO

10 assuming that k(e, q +

dianion = 1.7 X 109 and that soln. contains 28% monanion.

1.512 maleate ion 8.45 1.7 x 10

9 p.r. — Hart.. 64-0044

(dianion) 12.7 1.7 x 10

9 (cor.) p.r. k ob. = 2.2 x 10

9

. Hart.. 64—0044

1.513 malonate ion (monoanion)6.0 2.4 x 10

8 p.r. — Hart.. 66-0819

1.514 2-mercaptoethanol 10 (1.0 ± 0.15) x p.r. — Karm... 69-0553

e ; q + SHCH 2 CH 2 OH io

10 -> ch 2 ch 2 oh + sir (i) 5. 7-9.0 1.2 x

10'° p.r. — Jays. .71—0175

or -3> SCH 2 CH2 OH 5.5 - X-r. k | Ik ii = 1 from H2 S yields; Jays. .71-0175 + H 2 + OH' (II) concn. 10

2 M

.

1.515 mercaptoethylguanidine 6.74 2 x 10

10 p.r. — Braa66-001

1

1.516 mercaptoethylguanidine

(oxidized); bis- (2-guanidinoethyl)-

disulfide)

7.4 2 x 10

10 p.r. Braa66-001

1

1.517 3 — mercap to valine (penincillamine)6.5 5.1 x 10

9 p.r. — Braa66-001

1

1.518 methacrylate ion 10.1 8.4 x 10

9 p.r. counter ion Na +

. Hart.. 64—0044

1.519 methane < io

7 p.r. — Hart.. 64-0048

1.520 methanethiol 0-6 (1.8 ± 0.2) x 10

10 y-r. c.k., k calcd. from k , 520 / Arms. 64-0151

e ; q + ch 3 sh -5> (rel.) (e;

q + H

+

) = 0.8 ± 0.3 •CH 3 + SH'

7 (7.5 ± 1.1) x 10

9 p.r.

assuming k(e aq + H

+

) =

2.3 x IO

10

. Karm . . .69—0553

1.521 methanol - < io

4 p.r. addn. of 10-20% methanol Anba. 64-0138,

e ; q + ch 3 oh -> did not alter the half-life Anba. 64-0282

CH 3 0' + H

V

‘ < 400 f. phot.

of e aq in aq. solns. of aromatic compds.

concn. ~ 1—8 M , H2 -satd., 10'3 M NaOH;

assumed k(e mq + H 2 0) = 16 and cor. for impurities.

Hick. 70-7116

1.522 DI. -methionine 6.0 3.5 x 10

7 p.r. — Braa66-001

1

1.523 methyl 2— aminoacetate

(glycine, methyl ester)

10.66 2.9 x 10

8 p.r. — Hart.. 67-0298

1.524 methylammonium ion 4.9 ~ 2 x 10

6 p.r. — Ries. 65-0188

e ;q + CH3 NH3 ^ 7.6 1.8 x 10

6 p.r. — Braa66—0011 H + CH3 NH2 7.8 1.9 x 10

6 p.r. — Geto. 70-0371

1.525 Omitted

1.526 methyl cyanoacetate 10.9 3.2 x 10® p.r. — Hart.. 66-0819

1.527 5— methylcytosine 7.72 1.0 x IO

10 p.r. — Hart.. 64—0044

1.528 methylene blue 7.8 (2.5 ± 0.3) x IO

10 p.r. d.k. at 520 nm (e,

q

) as well as d.k. at 580 nm (dye) and

p.b.k. at 425 nm (semiquinone),

soln. contains 10 M formate

Keen.. 65-0396

ion. - 2.5 x

10*° p.r. — Eber.65—3013 - 2.4 x IO

10 p.r. counter ion Cl . Moor.. .67-0742

30
Table 4. Reactions of eaq with organic solutes— Continued

No. Solute and Reaction pH A;(dm 3 mol - 1 s

-1

) Method Comments Ref.

; 2.4 x 10

10 p.r. soln. contains 10

2 M glucose; Bala... 68-0238,

also studied effect of various polyanions on rate. 68-2104

1.529 methyl fluoroacetate 6.7 ( 1.0 ± 0 . 1 ) x 10

9 p.r. — Hart. .67-0298

10.86 ( 8.8 ± 0.9) x 10

8 p.r. — Hart.. 67-0298

1.530 N — methylformamide - (1.5 ± 1.0) x 10

7 p.r. solute concn. 10 M

.

Fel'.. 67-0054

1.531 methyl green 4.3 x 10

10 p.r. also studied effect of heparin Bala.. .68-2104 on rate. 1.532 methyl 2 — hydroxy— 10.65 4.8 x 10

8 p.r. — Hart.. 67-0298

acetate

1.533 2 -methylindole 7.1 (6 ± 3) x 10

7 p.r. — Arms. 69—0459

1.534 3— methylindole 8.2 (2.6 ± 0.3) x 10

8 p.r — Arms. 69-0459

1.535 1 — methylnicotinamide 8.5 4.1 x 10

10 p.r. soln. contains 101 M

sodium formate. Land. 68-0441

1.536 methyl propionate 6.81 9.0 x 10

7 p.r. — Hart.. 67-0298

1.537 methyl trifluoro— 10.62 1.9 x 10

9 p.r. — Hart. .67-0298

acetate

1.538 methyl trimethyl- 5.91 2.3 x 10

7 p.r. — Hart.. 67-0298

acetate

1.539 6 — methyluracil 6.5-7 (1.3 ± 0.3) x 10

10 p.r. no OH scavenger added. Fiel. 70-0226

1.540 naphthalene ~ 11 5.4 x 10

9 p.r. — Anba. 64-0138

1.541 1 — naphthoate ion - 11 6.1 x 10

9 p.r. — Anba. 64-0138

9.1 1.0 x 10

'° p.r. — Eber. 70-041

1.542 2 — naphthoate ion - 11 9.5 x 10

9 p.r. — Anba. 64-0138

1.543 1 -naphthyloxide ion ~ 11 9.6 x 10

8 p.r. — Anba. 64-0138

1.544 2 -naphthyloxide ion 11 1.8 x 10

9 p.r. — Hart.. 64-0044 ~ 11 1.2 x 10

9 p.r. — Anba. 64-0138

1.545 1 -naphthonitrile ~ 11 2.1 x 10

10 p.r. — Anba. 64-0138

1.546 2 — naphthonitrile ~ 11 2.1 x 10

10 p.r. — Anba. 64-0138

1.546a nicotinamide 7.5 2.4 x

10'° p.r. — Eber.70-0411

1.547 nicotinamide- adenine 6.4 2.5 x 10

10 p.r. soln. contains 10

1 M Land. 68-0441

dinucleotide (NAD +

) sodium formate.

1.548 nicotinamide- adenine

dinucleotide (enzymatically reduced)

(NADH)

7 ± 1 5.2 x 10

9 p.r. soln. N2 0—satd. Land. 68-0441

1.549 nicotinate ion - 1.9 x 10

9 (rel.) r. c.k., k 1 . 549 / ^ (c a q + 02 ) = Nakk65-0739

10 ', assume k(e aq + 02 ) =

1.9 xlO 10

. 10.5 1.0 x 10

10 p.r. — Eber.70-0411

1.549a nicotinuric acid 9.2 2.1 x 10

10 p.r. — Eber.70-0411

1.550 nitrilotriacetate ion 10 4 x 10

6 p.r. — Anba. 64—0282

1.551 nitrobenzene 7 3.0 x 10

10 p.r. — Hart.. 64-0044

e~q + c6 h5 no2 ~ 11 3.0 x 10

10 p.r. — Anba.64-0138 c 6 h5 no-(+h + )^ 7 2.9 x 10

10 p.r. d.k. at 720 nm as well as Wigg67-0688

C 6 Hs N02 H

- 2.8 x 10

10 p.r.

p.b.k. at 290 nm (nitrobenzene

anion).

k detd. at 15—80°C; E m = 2.1 a kcal mol *. Cerc69—0567

1.552 nitroethane 0-6 (2.7 ± 0.1) x 10

10 y-r. c.k., k issa/lcfe”, + H3 0

+

) Sutt.67—0180

(rel.) = 1.17 ± 0.02, assume k(e aq + H3 0

+

) = 2.3 x 10

10

. 1.553 nitromethane - 2.1 x 10

10 p.r. — Asmu. .66—0800

0-6 (2.9 ± 0.1) 7-r. c.k., k i. 553 /k(e“q + H3 0

+

) = Sutt. 67-0180

x 10

10 (rel.) 1.22 ± 0 . 02 , assume k(eaq + H3 0

+

) = 2.3 x 10

10

.

31

491-262 OL - 73 - 5
Table 4. Reactions of eaq with organic solutes— Continued

No. Solute and Reaction pH A:(dm 3 mol x s *) Method Comments Ref.

1.554 aci -nitromethane 12 6.6 x 10

9 p.r. — Asmu.. 66-0080

(negative ion) e, q + CH 2 N0 2 ch 3 no2 + OH’

1.555 2-nitro-2— methyl1 ,3-propanediol

10 1.3 x IO

10

2.1 x 10

10

p.r. — Anba. 64-0282

1.556 2-nitro-2-methyl1 -propanol

10 p.r. — Anba. 64-0282

2.0 x 10

10 1.557 o -nitrophenoxide ion - 11 p.r. — Anba. 64-0138

1.558 m —nitrophenoxide ion ~ 11 2.5 x 10

10 p.r. — Anba. 64-0138

11 1.7 x 10

10 (rel.) -y-r. C.k., k ,.558 /£(f^q +

ClCH2 COO ) = 14 ± 2.8, assume

k(e~q + ClCH 2 COO') = 1.2 x 10

9

.

Stoc. 66-0160

1.559 p -nitrophenol 7 (3.5 ± 0.6) x p.r. d.k. at 650 nm or p.b.k. at Cere. 68-0303

10

10 290 nm (radical anion), p K of solute is 7.15. — 3.6 x 10“ p.r. k detd. at 15—80 °C; £,= 2.54 kcal mol '. Cerc69-0567

1.560 p -nitrophenoxide ion - 11 2.5 x 10

10 p.r. — Anba. 64-0138

1.561 p -nitrophenylacetate 7-11 (1.85 ± 0.2) x p.r. — Anba. 65-0047

ion 3 M OH”

10*°

(1.7 ± 0.2) x 10

10 p.r. Anba. 65—0047

1.562 1 — nitropropane 0-6 (2.7 ± 0.1) x 10

10 y-r. c.k., k 1S62/k(e~q + H3 0

+

) = Sutt. 67-0180

(rel.) 1.18 ± 0.04, assume k(e tq + H 3 0

+

) = 2.3 x 10

10

. 1.563 nitrosobenzene 7 4.3 x

10‘° p.r. — Asmu. ..66-0433

1.564 p -nitrosodimethyl— - (3.4 ± 0.2) x 10

10 p.r. — Dain.68—0066

aniline - (2.6 ± 0.4) x 10

10 y-r. c.k., with N 2 0, assumed Dain.. 68-0066

(rel.) values not given. 1.565 p -nitrotoluene ~ 11 1.9 x 10

10 p.r. — Anba. 64-0138

1.566 norleucine - 3.3 x 10

6 p.r. — Davi.. 65-0389

1.567 orotate ion 6.56 1.5 x 10

10 p.r. — Hart.. 64-0044

7.7 1.4 x 10

10 p.r. d.k. at 600 nm as well as Gree70-0567

V. p.b.k. at 320 nm (e adduct). 1.567a orotate ion ~ 12 ~ 8 x 10

9 p.r. d.k. at 600 nm as well as Gree70-0567

(dianion) p.b.k. at 320 nm (e adduct). 1.567b orotidine 7 9 x 10

9 p.r. d.k. at 600 nm as well as

p.b.k. at 320 nm (e adduct).

Gree70-0567

1.568 oxalacetate ion 11 4.3 x 10

9 (rel.) y-r. c.k., k 1 568 /k(e. q + ClCH2 COO") = 3.6 ± 0.7, assume k(e, q + ClCH2 COO ) =

1.2 x 10

9

.

Stoc. 66—0160

1.569 oxalate ion 10 < io

7 p.r. — Hart.. 64-0048

(dianion) - < io

8 p.r. — Baxe... .64-0132

7. 0-7.

7

4.8 x 10

7 (rel.) y-r. c.k., assume /c(e„

q + NO^) =

4.58 x 10

9

, soln. air— satd.; Mici.69— 0646

counter ion K . (1.7 ± 0.5) x 10

7 p.r. k detd. at pH 5 and 9; assumed pK j = 1.25 and

p K 2 = 4.28 for oxalic acid

dissoc. and cor. for e aq + H3 0

+

; see 1.570.

Geto.... 71-0041

1.570 oxalate ion 2. 8-4.0 (3.4 ± 0.7) x 10

9 y-r. c.k., assume k(e mq + H ) = Mici. 69-0646

(monanion) (rel., cor.) 2.36 x 10*°, counter ions Na

+

, C10 4 ; k cor. to p. = 0. - (3.2 ± 0.6) x 10

9 p.r. see 1.569. Geto.. ..71-0041

32
Table 4. Reactions of with organic solutes — Continued

No. Solute and Reaction pH &(dm 3 mol *s x ) Method Comments Ref.

1.571 oxalic acid 1.3 (2.5 ± 0.9) x 10

10 y-r. c.k., assume k(e. q + H ) = Mici. 69-0646

(rel., cor.) 2.36 x 10 ; counter ions Na

+

, CIOJ; k cor. to p. = 0. 1.572 oxamate ion ~ 11 (4.0 ± 0.4) x 10

9 p.r. counter ion Na +

. Hart.. 67-0298

1.573 2-oxoglutarate ion 13 (7 ± 2) x 10

9 y-r. c.k., k ,. s73 /k (e”q + Stoc. 66-0160

(rel.) C1CH2 C00") = 6.1 ± 1.2, assume /c(e 4q + C1CH 2 C00 ) =

1.2 x 10

9

; counter ion Na+

. 1.573a pentafluorobenzene •“ •' 2.6 x

10‘° — Koes. 71-0030

1.574 1 , 10-phenanthroline 7.2 (2.1 ± 0.1) x 10

10 p.r. — Walt67-0560

1.574a phenethylamine 11.8 2.0 x 10

7 p.r. — Geto. 70-0371

1.575 phenol 6. 3-6.

8

(1.8 ± 0.2) x 10

7 p.r. — Land. 67-0122

1.576 phenoxide ion ~ 11 4.0 x 10

6 p.r. — Anba. 64-0138

1.577 phenylacetate ion 5.43 5.1 x 10

7 p.r. — Szut. ..65-0018

7 3. 1-3.3 x 10

7 y-r. c.k., k calcd. assuming Anba. .67-0098

(rel.) k(e ;q + NO^) = 1.1 x IO

10 or k(e; + p -BrC6 H4 OH) = 1.2 x 10* ; k detd. at 20, 45, and

70°C to give £, = 3.4 kcal mol *. 1.578 DL -phenylalanine 6.7 1.5 x 10® p.r. — Davi.. 65-0389

(zwitterion) 6.28 1.1 x 10® p.r. — Braa66—0011

7.0 1.5 x 10® p.r. — Braa66-0011

8.65 8.8 x 10

7 p.r. — Braa66—0011

7 1.6 x 10® (rel.) y-r. c.k., assume k(e. q + NO^) =

1.1 xlO10.

Anba.. 67—0098

1.35 x 10® (rel.) y-r. c.k., assume k(e. q + BrC6 H4 OH) = 1.2 x IO

10

; k detd. at 20, 45, and 70 °C

to give £, = 3.4 kcal mol 1 as ave. of both methods.

1.579 DL -phenylalanine 11 < io

7 p.r. — Hart.. 64—0044

(negative ion) 11.2 1.35 x 10

7 (cor.) p.r. k ob,= 1.7 x 107

. Braa66-0011

11 < (1.6 ± 0.3) x

io

7 p.r. — Chry68-0062

1.580 L — phenylalanyl— l —

phenylalanine

5.66 4.5 x 10® p.r. — Braa67—3005

1.581 phenylarsonate ion 10 1.5 x 10® p.r. — Anba. 64-0282

1.582 phenylhydroxylamine - 1.8 x 10

9 p.r. — Wigg. .67-0191

13.5 1.4 x 10

9 p.r. reactant is C 6 H5 NHO . Wigg. .67-0191

1.583 o — phthalate ion 5.6 1.1 x IO

10 p.r. k calcd. from k obg = Szut.. .65—0018

(monoanion) (calcd.) 6.2 x 10

9 assuming solute

is 1:1 mixture of mono- and

dianion.

1.584 o -phthalate ion 13 1.8 x 10

9 p.r. — Gord.. 64-0043

(dianion) 12.8 2.0 x 10

9 p.r. — Hart.. 64—0044

6.78 1.2 x 10

9 p.r. — Szut. ..65-0018

12.7 1.9 x 10

9 p.r. — Szut. ..65—0018 11-13 1.7 x IO

9 (rel.) y-r. c.k., k + C1CH2 C00") = 1.4 ± 0.3, assume k(e aq + C1CH2 C00 ) =

1.2 x 10

9

.

Stoc. 66-0160

1.585 m -phthalate ion 13 3.0 x 10

9 p.r. — Gord.. 64 -0043

1.586 p —phthalate ion 13 7.3 x 10

9 p.r. — Gord.. 64-0043

1 .586a picolinate ion 9.1 1.1 x IO

10 p.r. — Eber. 70-0411

1.587 picrate ion 5.36 3.9 x IO

10 p.r. — Hart.. 64—0044

13 3.5 x IO

10 p.r. — Hart.. 64-0044

1.588 pivalic acid 5.0 9.7 x 10

7 p.r. — Hart. .67-0298

33
Table 4. Reactions of eaq with organic solutes— Continued

No. Solute and Reaction pH &(dm 3 mol *s x

) Method Comments Ref.

1.589 polylysine hydro- - 5.0 x 10

9 p.r. also studied effect of Bala. ..68-2104 bromide heparin and DNA on rate. 1.590 l. -proline 6.7 2 x 10

7 p.r. isoelectric point of Braa66-0011

(zwitterion) proline is 6.3

1.591 I.— proline (negative 7-8 < 10

7 p.r. — Hart.. 64-0048

ion) 10.1 < 10

6 (calcd.) p.r. k calcd. from k oba = 5 x 106 assuming solute contains 22% negative ion at this pH.

Braa66-0011

1.592 propionamide - (3.9 ± 0.5) x 10

7 p.r. soln. satd. with ethylene. Cham.. 70-0052

1.593 propionitrile 10.9 1.5 x 10® p.r. — Anba. 64-0282

1.593a propylammonium ion 7.8 3.2 x 10

6 (calcd.) p.r. k ob. = 3.7 x 10

6

. Geto. 70-0371

1.594 protamine sulfate — 5.5 x 10

9 p.r. also studied effect of heparin and DNA on rate.

Bala. ..68-2104

1.595 purine 7.2 1.7 x 10

10 p.r. — Hart.. 64-0044

1.596 pyridine 6. 9-7.

3

1.0 x 10

9 p.r. — Hart.. 64-0044

5.5-6 3.0 x 10

9 (rel.) y-r. c.k., assume k(e~q + NO^) =

1.1 x 10*°; k detd. at 20, 45 and 70 °C to give £, =

3.9 kcal mol *.

Anba.. 67-0098

3.7 x 10

9 p.r. k detd at 15-80°C;

E m = 4.5 kcal mol 1. Cerc69-0567

1.597 pyrrole 10.29 6.0 x 10

5 p.r. — Szut.. .65—0018

1.598 pyrrolidine 12.08 4.2 x 10

6 p.r. — Szut...65—0018

e ;q + c 4 h8 nh -> 12.3 (1.1 ± 0.5) x 10

6 p.r. k calcd. from k ob# = Geto. 70-0006 c 4 h 8 n- + h2 + oh;„ (calcd.) (2.4 ± 0.3) x 10

6 assuming

pyrrolidine is 20% protonated; concn. 10

1 M

.

1.599 pyrrolidine < 8 (7.5 ± 1.5) x 10

6 p.r. concn. 10 M

;

Geto. 70—0006

(positive ion) e ; q + c 4 h8 nh2 -s> c 4 h 8 n

+ h 2

counter ion S04 .

1.600 2-pyrrolidone 7.82 1.3 x 10

7 p.r. — Szut... 65—0018

1.601 pyruvate ion 12.7 6.8 x 10

9 p.r. — Hart.. 64—0044,

67-0298

1.602 pyruvonitrile 7.15 3.0 x 10

7 p.r. — Hart.. 67-0298

1.602a quinoline — 2—

carboxylate ion

9.1 1.4 x 10

10 p.r. — Eber. 70-041

1

1.603 riboflavin 5.9 2.3 x

10'° p.r. soln. contains 10

1 M

Na formate. Land. 69—0283

basic 1.7 x 10

10 p.r. soln. contains 101 M

Na formate and 3 x 10

3 M

NaOH.

Land. 69-0283

1.604 ribonuclease 5.5 2.9 x 10

10 (cor.) p.r. — Braa67-3005

6.8 1.3 x 10

10 (cor.) p.r. — Braa67-3005,

Eber. 65-3013

8.4 6 x 10

9 (cor.) p.r. — Braa67-3005

10.7 1 .7 x 10

9 (cor.) p.r. — Braa67-3005

6.2 6 x 10

9 p.r. soln. contains phosphate

buffer and 10~2 M KC1.

Braa. 68-3007

1.605 ribose - < io

7 p.r. — Hart. .64-0048

1.606 safranine T 6 4.7 x 10

10 (rel.) y-r. c.k., assume A(e aq + N 2 0) =

8.7 x 10

9

. Raki68-0059

1.607 salicylate ion ~ 11 3.2 x 10

9 p.r. solute consists of ~ 33%

dianion at this pH.

Anba. 64-0138

11 3.4 x 10

9 (rel.) y-r. c.k., k, 6o7 /k (e aq + ClCH2 COO') = 2.8 ± 0.6, assume k(e aq + ClCH 2 COO ) =

1.2 x 10

9

.

Stoc. 66-0160

34
Table 4. Reactions of eaq with organic solutes — Continued

No. Solute and Reaction pH Zc(dm 3 mol *s *) Method Comments Ref.

, „

' 7 ~ 1 x 10

10 p.r. — Amph. .68-0305

1.608 sarcosine 6.5 1.9 x 10

7 p.r. solute concn. 10

2 M. Davi. .65-0389

7.6 1.4 x 10

7 p.r. — Braa66-001

1.609 selenourea 6.5 4.0 x 10

9 p.r. k independent of pH 6—11. Badi. 70-0240

1.610 DL -serine 7.1 1.5 x 10

7 p.r. solute concn. 10 M. Davi.. 65-0389

6.1 < 3 x 10

7 p.r. — Braa66-0011

1.611 sorbitol - < 10

s p.r. — Davi.. 65-0391

1.612 styrene 7 1.5 x 10

10 p.r. — Hart.. 64—0044

12.7 1.1 x 10

10 p.r. — Hart.. 64-0044

1.613 succinate ion 6.0 (3.4 ± 1.0) x 10® p.r. k calcd. from k obt = 1.2 x Hart.. 67-0298

(monoanion) (calcd.) 10® at this pH.

1.614 succinate ion 11 2.4 x 10

7 (rel.) y-r. C.k., k i. 614 /t ( emq + Stoc. 66-0160

(dianion) ClCH2 COO") = (2 ± 0.4) X 10“2

, assume k(e~q + C1CH2 C00 ) =

1.2 x 10

9

. 10.0 3.1 x 10

7 p.r. — Hart.. 67-0298

1.615 succinimide 8.04 7.2 x 10

9 p.r. — Szut.. .65-0018

1.615a sulfacetamide (Na) - 4.1 x 10

10 p.r. — Phil.. 71-0128

1.615b sulfanilamide - 1.5 x

10*° p.r. — Phil.. 71-0128

1.616 sulfanilate ion ~ 11 4.6 x 10® p.r. — Anba.64-0138

1.616a sulfanilic acid - 5.9 x 10

9 p.r. — Phil.. 71-0128

1.617 tetracyanoethylene 7 1.5 x 10

10 p.r. — Hart.. 64-0044

1.618 tetranitromethane 7 (6.0 ± 0.5) x

10*° p.r. — Asmu...64—0133,

e « q + C(N02 ) 4

-3> Asmu.64-0136

C(N0 2 )~ + no 2 6 4.6 x 10

10 p.r. d.k. at 578 nm as well as Raba. .65-0183

p.b.k. at 360 nm

(nitroform anion).

5. 5-6.0 4.4 x 10

10 (rel.) p.r. c.k., p.b.k. at 366 nm Raba.. 65-0183

(nitroform anion). ^ \.6\a/k ( e «q + O2) =

2.3 ± 0.7, assume /r(e.

q + 02 ) = 1.9 x

10'°. 1.619 thiazole 6.59 2.5 x 10

9 p.r. — Szut. ..65-0018

1.620 thiobarbituric acid - ~ 6 x 10

7 p.r. — Hart.. 64-0048

1.621 thioglycolate ion 10 8.2 x 10

7 p.r. — Anba.64-0282

1.622 thiophene 6.73 6.5 x 10

7 p.r. — Szut. ..65-0018

1.623 thiophenoxide ion ~ 11 4.7 x 10

7 p.r. — Anba. 64-0138

1.624 thiourea 6.41 2.9 x 10

9 p.r. — Hart.. 64-0044

7. 6-9.0 3. 1 x 10

9 (ave.) p.r. — Char.... 65-0392

1.625 Dl. -threonine 7 2.0 x 10

7 p.r. — Davi.. 65-0389

(negative ion) 6.2 < io

7 p.r. — Braa66-001

9.5 < 5 x 10

6 p.r. — Braa66-001

1.626 thymidylic acid 6.7 1.5 x 10

9 p.r. — Scho.. .65-0388

1.627 thymine 6.0 1.7 x 10

10 p.r. — Hart.. 64-0044

12 2.7 x 10

9 p.r. — Hart. .64-0044

5.5 1.8 x IO

10 p.r. — Scho. ..65-0388

11 4.0 x 10

9 p.r. soln. H2 -satd. Hart. 65-0494

1.628 o -toluate ion ~ 11 2.7 x 10® p.r. — Anba. 64-0138

1.629 m -toluate ion ~ 11 2.6 x 10

9 p.r. Anba. 64-0138

1.630 p -toluate ion ~ 11 3.6 x 10

9 p.r. — Anba. 64-0138

1.631 toluene ~ 11 1.2 x 10

7 p.r. — Anba. 64-0138

1.632 p -toluenesulfonate ~ 11 1.7 x 10

9 p.r. — Anba. 64—0138

ion

1.633 p -tolunitrile ~ 11 1.4 x 10

10 p.r. — Anba. 64-0138

1.633a tetrachloroethylene - 1.3 x 10

10 p.r. — Koes. 71-0030

1.633b tetrafluorobenzene - 2.6 x IO

10 p.r. — Koes.71—0030

35
Table 4. Reactions o/eaq with organic solutes — Continued

No. Solute and Reaction pH &(dm 3 mol *s *) Method Comments Ref.

1.634 trichloroacetate ion ~ 10 6.2 x 10

9 p.r. Hart.. 64-0044 ~ 10 (8.5 ± 1.0) x 10

9 p.r. — Anba. 65-0015

6.6 2.1 x 10

10 p.r. concn. > 0.1 M

.

Aldr... 71-0019

1.634a 1, 1,2— trichloroethylene - 1.9 x 10

10 p.r. — Koes. 7 1-0030

1.635 trichlorofluoromethane ~ 6 1.6 x 10

10 (rel.) y-r. c.k., elec, condy., assume Balk.. 71-0026

k (e aq + Na O) = 8.9 x 10

9 or k(e;q + H

+

) = 2.4 x 10

10

. 1.636 a,a,a — trichlorotoluene ~ 10 (8.3 ± 0.9) x 10

9 p.r. — Anba. 65-0015

1.637 trifluoroacetate ion ~ 10 <(1.4 ± 0.4) x 10

6

(cor.)

p.r. k ob. <(2.6 ± 0.6) x 10

6

. Anba. 65-0015

1.638 1,1,1-trifluoro— 5.19 6.6 x 10

7 p.r. — Hart. .67-0298

acetone

1.638a trifluoroiodo- methane

9-10 (1.3 ± 0.1) x

10'° p.r. — Bull. 70-0407

e . q + CF3

I

-3> cf 3 + r

1.639 a,a,a-trifluorotoluene ~ 11 1.8 x 10

9 p.r. — Anba. 64-0138

1.640 trimesate ion 5.74 3.5 x 10

9 p.r. k calcd. for the dianion Szut.. .65-0018

(trianion) 6.96 2.5 x 10

9 p.r.

is (1.0 ± 0.15) x 10

10

. Szut.. .65-0018

8.84 3.0 x 10

9 p.r. — Szut. ..65-0018

12.39 2.8 x 10

9

(cor.)

p.r. k ob = 4.2 x 10

9

. Szut. ..65-0018

1.641 1 ,3,5 — trimethyluracil 6.5-7 (4.8 ± 0.6) x 10

9 p.r. no OH scavenger added. Fiel. 70-0226

1.642 trinitromethy] ion (nitroform anion)7 3.0 x 10

10 p.r. counter ion K . Raba. .65-0183

1.643 tryptophan 7.3 2.6 x 10® p.r. — Davi.. 65-0389

6.76 4.0 x 10

8 p.r. — Braa66-001

1

6.9 4.6 x 10

8 p.r. solute is i, — tryptophan. Braa66-001

1

8.92 3.1 x 10

8 p.r. — Braa66-001

1

7.8 (3.0 ± 0.3) x 10

8

. p.r. solute is l. -tryptophan. Arms. 69-0459

1.644 tryptophan

(negative ion)

11.5 1.3 x 10

8

1.6 x 10

8

p.r. — Braa66-001

1

1.645 tyrosine (zwitterion) 5.8 p.r. solute is i. -tyrosine. Braa66-001

1

7.8 4.0 x 10

8 p.r. — Davi.. 65-0389

1.646 tyrosine (negative 11.0 < (1.7 ± 0.4) x p.r. solute is i. -tyrosine; Chry68-0062

ion) 10

7 20% monoanion.

1.647 uracil 6.4 7.7 x 10

9 p.r. — Hart.. 64-0044

7 9.3 x 10

9 (cor.) p.r. M = 0.1, k ob.= 1.5 x 10

10

. Gree. .68-0316

6.5-7 (1.6 ± 0.3) x

10'° p.r. no OH scavenger added. Fiel. 70-0226

1.648 uracil (monoanion) 12.2 2.3 x 10

9 p.r. — Hart.. 64-0044

11 1.9 x 10

9 (cor.) p.r. M = 0.1, k oh = 3 x 10

9

. Gree. .68-0316

13 1 .6 x 10

9 (cor.) p.r. fx = 0.1, k ob = 2.5 x 10

9

. Gree. .68-0316

1.649 uracil polynucleotides 7 2.5 x 10

9 p.r. M = 0.1. Gree. .68-0316

12 8 x 10

8 p.r. /x = 0.1. Gree. .68-0316

1.650 urea 5.5-6 2.7 x 10

s (rel.) y-r. c.k., assume k(e sq + NO^) =

1.1 x 10

10

; k detd. at 20, 45 and 70 °C to give E m =

3.4 kcal mol \

Anba.. 67-0098

7 3.0 x 10

5 p.r. — Hart.. 67-0298

1.651 uric acid 5 ~ 6 x 10

9 p.r. — Hart.. 64-0048

1.652 uridine 6 1.4 x

10'° p.r. fx = 0.1. Gree. .68—0316

1.653 uridine (monoanion) 11.8 2 x 10

9 (cor.) p.r. M = 0.1, k ob> = 3 x 10

9

. Gree.. 68—0316

1.654 uridine monophosphate

(dianion) (UMP 2

)

7 2.2 x 10

9 (cor.) p.r. fx = 0.1, k ob.= 5 x 10

9

. Gree.. 68-0316

1.655 uridine 13 1.9 x 10* (cor.) p.r. M = 0.1, k ob.= 6.5 x 10

8

. Gree.. 68—0316

monophosphate

(trianion) (UMP3

) 36
Table 4. Reactions of eaq with organic solutes — Continued

No. Solute and Reaction pH &(dm 3 mol *) Method Comments Ref.

1.656 uridine monophosphate 6 4.5 x 10

9 (cor.) p.r. M = 0.1, k ob = 1 x 10

10

. Gree. .68-0316

(2',3'-cyclic,

dianion)

1.657 valine (zwitterion) 6.4 5.2 x 10

6 p.r. solute concn. 10

1 M . Davi.. 65-0389 < 5 x 10

6 p.r. — Braa66—001

1.658 Dl. -valine (negative 9.5 < 2 x 10

6 p.r. k calcd. from k obt = Braa66-0011

ion) (calcd.) < 5 x 10

6 at pH 9.5 assuming

solute is 50% negative ion. 50% zwitterion. 1.658a vinyl chloride 1

2.5 x 10® p.r. — Koes. 71-0030

1.659 vinylpyridine - 1.4 x 10

10 - unpubl. data cited. Swal68-0678

1.660 vinylpyridinium ion H 3 x 10

10 - unpubl. data cited. Swal68-0678

1.661 xylose B 1 < 10

6 p.r. — Davi. .65-0391

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59

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1. PUBLICATION OR REPORT NO.

NSRDS-NBS-^3

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BIBLIOGRAPHIC DATA

SHEET

3. Recipient’s Accession No.

4. TITLE AND SUBTITLE

Selected Specific Rates of Reactions of Transients from

Water In Aqueous Solution. I. Hydrated Electron

5. Publication Date May 1973

6. Performing Organization Code

7. AUTHOR(S)

Michael Anbar, Mark Bambenek and Alberta E. Ross

Performing Organization

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15. SUPPLEMENTARY NOTES

16. ABSTRACT (A 200-word or less factual summary of most significant information. If document includes a significant

bibliography or literature survey, mention it here.)

Rates of reactions of hydrated electrons with over 700 different organic and

inorganic molecules, ions, and transients have been tabulated. Most of the

data are derived from pulse radiolysis of aqueous solutions; results from

photolysis and from steady-state radiolysis by competition kinetics are also

included

.

^7. KEY WORDS (Alphabetical order, separated by semicolons)

Aqueous solution; chemical kinetics; data compilation; hydrated electron;

radiation chemistry; rates.

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