datavorous/entrance-exam-dataset huggingface dataset:
What is the characteristic of oxidation state variability in transition elements related to the filling of d orbitals?

Options:
A Their oxidation states differ by a unit of two
B Their oxidation states differ by a unit of three
C Their oxidation states differ by a unit of four
D Their oxidation states differ by unity

The correct answer is:
Their oxidation states differ by unity

Solution:
The characteristic of oxidation state variability in transition elements arises out of incomplete filling of d orbitals in such a way that their oxidation states differ from each other by unity.

Topic: Chemistry, d and f Block Elements, NEET
What is the characteristic of plant growth?

Options:
A Limited growth
B Unlimited growth
C Decreased growth
D No growth

The correct answer is:
Unlimited growth

Solution:
Plant growth is unique because plants retain the capacity for unlimited growth throughout their life.

Topic: Biology, Plant - Growth and Development, NEET
What is the characteristic of prokaryotes?

Options:
A Nuclear membrane
B Organelles
C Mesosome
D Cytoplasm

The correct answer is:
Mesosome

Solution:
A specialised differentiated form of cell membrane called mesosome is the characteristic of prokaryotes. They are essentially infoldings of cell membrane.

Topic: Biology, Cell - The Unit of Life, NEET
What is the characteristic of the formulas of interstitial compounds in terms of the metal's oxidation state?

Options:
A They correspond to normal oxidation states of the metal
B They correspond to zero oxidation state of the metal
C They do not correspond to any normal oxidation state of the metal
D They correspond to the highest oxidation state of the metal

The correct answer is:
They do not correspond to any normal oxidation state of the metal

Solution:
The formulas quoted do not, of course, correspond to any normal oxidation state of the metal.

Topic: Chemistry, d and f Block Elements, NEET
What is the characteristic of the mesophyll of an isobilateral leaf?

Options:
A It is differentiated into palisade and spongy parenchyma
B It is made up of elongated cells
C It is not differentiated into palisade and spongy parenchyma
D It is made up of oval or round cells

The correct answer is:
It is not differentiated into palisade and spongy parenchyma

Solution:
In an isobilateral leaf, the mesophyll is not differentiated into palisade and spongy parenchyma, unlike a dorsiventral leaf.

Topic: Biology, Anatomy of Flowering Plants, NEET
What is the characteristic physical appearance of an individual with Down’s Syndrome?

Options:
A Tall stature and pointed tongue
B Short stature and small round head
C Broad palms and webbed feet
D Thick neck and receding hairline

The correct answer is:
Short stature and small round head

Solution:
The affected individual with Down’s Syndrome is short statured with a small round head, furrowed tongue, and partially open mouth.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the characteristic property of metalloids like arsenic and antimony in Group 15?

Options:
A They are highly reactive with water.
B They have no metallic or non-metallic properties.
C They can behave as both metals and non-metals.
D They are poor conductors of electricity.

The correct answer is:
They can behave as both metals and non-metals.

Solution:
The paragraph mentions that arsenic and antimony are classified as metalloids, which means they can behave as both metals and non-metals.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the charge of the ammoniate ion formed from alkaline earth metals in liquid ammonia?

Options:
A +1
B +2
C -1
D -2

The correct answer is:
+2

Solution:
The charge of the ammoniate ion [M(NH3)6]2+ formed from alkaline earth metals in liquid ammonia is +2.

Topic: Chemistry, s Block Elements, NEET
What is the charge on a uniformly charged conducting sphere with a diameter of 2.4 m and a surface charge density of 80.0 mC/m²?

Options:
A 1.45 × ${{10}^{-3}}$ C
B 2.9 × ${{10}^{-3}}$ C
C 4.35 × ${{10}^{-3}}$ C
D 4.45 × ${{10}^{-3}}$C

The correct answer is:
1.45 × ${{10}^{-3}}$ C

Solution:
Correct Option is : (A)
1.45 × ${{10}^{-3}}$ C

Topic: Chemistry, Electrostatics, NEET
What is the charge on one electron mentioned in the paragraph?

Options:
A 6.02 × 1023 C
B 1.6021 × 1019 C
C 96487 C mol-1
D 96500 C mol-1

The correct answer is:
1.6021 × 1019 C

Solution:
The charge on one electron is 1.6021 × 1019 C.

Topic: Chemistry, Electrochemistry, NEET
What is the charge on one mole of electrons in terms of Faraday units (F)?

Options:
A 1 F
B 0.518 F
C 96500 F
D 6.02 × 1023 F

The correct answer is:
1 F

Solution:
The charge on one mole of electrons is equal to 1 Faraday unit (F).

Topic: Chemistry, Electrochemistry, NEET
What is the charge on the coordination entity [Fe(CN)6]4–?

Options:
A +2
B +3
C –2
D –4

The correct answer is:
–2

Solution:
The charge on [Fe(CN)6]4– is –2.

Topic: Chemistry, Coordination Compounds, NEET
What is the chemical composition of aspartame?

Options:
A Methyl ester of dipeptide formed from aspartic acid and phenylalanine
B Sucrose and glucose
C Ortho-sulphobenzimide
D Saccharin and fructose

The correct answer is:
Methyl ester of dipeptide formed from aspartic acid and phenylalanine

Solution:
Aspartame is the methyl ester of dipeptide formed from aspartic acid and phenylalanine.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What is the chemical composition of cellulose?

Options:
A Carbon and oxygen
B Carbon, hydrogen, and nitrogen
C Carbon, hydrogen, and oxygen
D Carbon, oxygen, and nitrogen

The correct answer is:
Carbon, hydrogen, and oxygen

Solution:
Cellulose is primarily composed of carbon, hydrogen, and oxygen atoms.

Topic: Chemistry, Biomolecules, NEET
What is the chemical composition of Fehling solution A?

Options:
A Copper sulphate and sodium potassium tartrate
B Copper sulphate and sodium hydroxide
C Sodium potassium tartrate and ammonium chloride
D Sodium hydroxide and potassium iodide

The correct answer is:
Copper sulphate and sodium hydroxide

Solution:
Fehling solution A comprises copper sulphate and sodium hydroxide.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the chemical composition of water in all three states: ice, water, and steam?

Options:
A H2O2
B CO2
C H2O
D O2

The correct answer is:
H2O

Solution:
Correct Option is : (C)
H2O

Topic: Chemistry, States of Matter, NEET
What is the chemical difference between DNA and RNA?

Options:
A Presence of 2'-OH group in RNA
B Presence of Hydrogen bonds in DNA
C Absence of phosphate groups in RNA
D Absence of nitrogenous bases in RNA

The correct answer is:
Presence of 2'-OH group in RNA

Solution:
The 2'-OH group present at every nucleotide in RNA is a reactive group and makes RNA labile and easily degradable. RNA is also known to be catalytic, hence reactive.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the chemical equation for preparing sodium soap from glyceryl oleate and glyceryl palmitate?

Options:
A

B

C

D

The correct answer is:

Solution:
Correct Option is : (A)

Topic: Chemistry, Chemistry in Everyday Life, NEET
What is the chemical equation for the preparation of dihydrogen using zinc and aqueous alkali mentioned in the paragraph?

Options:
A Zn + 2NaOH → Na2ZnO2 + H2
B Zn + 2H2O → ZnO + 2H2
C Zn + NaOH → NaZnO2 + H2
D Zn + 2NaOH → Na2ZnO2 + 2H2

The correct answer is:
Zn + 2NaOH → Na2ZnO2 + H2

Solution:
The chemical equation for the preparation of dihydrogen using zinc and aqueous alkali mentioned in the paragraph isZn + 2NaOH → Na2ZnO2 + H2.

Topic: Chemistry, Hydrogen, NEET
What is the chemical equation for the preparation of dihydrogen using zinc and dilute hydrochloric acid?

Options:
A Zn + 2H2O → ZnO + 2H2
B Zn + 2H+ → Zn2+ + H2
C Zn + 2H2O → Zn(OH)2 + H2
D Zn + HCl → ZnCl2 + H2

The correct answer is:
Zn + 2H+ → Zn2+ + H2

Solution:
The chemical equation for the preparation of dihydrogen using zinc and dilute hydrochloric acid is given as Zn + 2H+ → Zn2+ + H2.

Topic: Chemistry, Hydrogen, NEET
What is the chemical equation for the reaction of calcium oxide with silicon dioxide to form calcium silicate?

Options:
A CaO + SiO2 → CaSiO3
B CaO + 2SiO2 → CaSi2O5
C 2CaO + SiO2 → 2CaSiO3
D CaO + SiO2 → CaSi2O5

The correct answer is:
2CaO + SiO2 → 2CaSiO3

Solution:
The reaction of calcium oxide (CaO) with silicon dioxide (SiO2) to form calcium silicate is represented by the chemical equation 2CaO + SiO2 → 2CaSiO3.

Topic: Chemistry, s Block Elements, NEET
What is the chemical equation for the reaction of sodium amalgam with water to produce sodium hydroxide?

Options:
A 2Na + 2H2O → 2NaOH + H2
B NaOH + Hg → Na + Hg2O
C 2Na-amalgam + 2H2O → 2NaOH + 2Hg + H2
D Na + 2H2O → NaOH + H2

The correct answer is:
2Na-amalgam + 2H2O → 2NaOH + 2Hg + H2

Solution:
Sodium amalgam reacts with water to produce sodium hydroxide, mercury, and hydrogen gas.

Topic: Chemistry, s Block Elements, NEET
What is the chemical equation for the slaking of lime?

Options:
A CaO + H2O → Ca(OH)2
B CaO + CO2 → CaCO3
C CaO + NaOH → Ca(OH)2 + Na2O
D CaO + SO2 → CaSO3

The correct answer is:
CaO + H2O → Ca(OH)2

Solution:
The slaking of lime is represented by the chemical equation CaO + H2O → Ca(OH)2.

Topic: Chemistry, s Block Elements, NEET
What is the chemical equation representing the decomposition of potassium chlorate?

Options:
A 2KClO3 → 2KCl + 3O2
B 2KCl + 3O2 → 2KClO3
C 3O2 → 2KCl + 2KClO3
D KClO3 → KCl + O2

The correct answer is:
2KClO3 → 2KCl + 3O2

Solution:
The paragraph provides the chemical equation for the decomposition of potassium chlorate as 2KClO3 → 2KCl + 3O2.

Topic: Chemistry, Surface Chemistry, NEET
What is the chemical formula for hydrated sodium aluminium silicate (zeolite)?

Options:
A NaCl
B NaAlSiO4
C NaZ
D NaOH

The correct answer is:
NaZ

Solution:
The chemical formula for hydrated sodium aluminium silicate, commonly referred to as zeolite, can be represented as NaZ for simplicity.

Topic: Chemistry, Hydrogen, NEET
What is the chemical formula for hydrochloric acid (in the gas phase)?

Options:
A NaCl
B HCl2
C H2SO4
D HCl

The correct answer is:
HCl

Solution:
The chemical formula for hydrochloric acid in the gas phase is HCl.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the chemical formula for hypochlorite, a constituent of bleaching powder?

Options:
A CaCl2
B Ca(OCl)2
C CaOCl2
D Ca(ClO)2

The correct answer is:
Ca(OCl)2

Solution:
Hypochlorite, a constituent of bleaching powder, is represented by the chemical formula Ca(OCl)2.

Topic: Chemistry, s Block Elements, NEET
What is the chemical formula for iron oxide?

Options:
A FeSiO3
B FeO
C Fe2O3
D FeS

The correct answer is:
Fe2O3

Solution:
Iron oxide has the chemical formula Fe2O3.

Topic: Chemistry, General Principles and Processes of Isolation of Metals, NEET
What is the chemical formula for quicklime?

Options:
A CaO
B Ca(OH)2
C CaCO3
D CaCl2

The correct answer is:
CaO

Solution:
Quicklime is chemically represented by CaO.

Topic: Chemistry, s Block Elements, NEET
What is the chemical formula for the ammoniate ion formed when an alkaline earth metal dissolves in liquid ammonia?

Options:
A M(NH3)4
B M(NH3)2
C M(NH3)3
D M(NH3)6

The correct answer is:
M(NH3)6

Solution:
The ammoniate ion formed from alkaline earth metals dissolved in liquid ammonia has the chemical formula [M(NH3)6]2+.

Topic: Chemistry, s Block Elements, NEET
What is the chemical formula for the nitrate formed by the dissolution of magnesium carbonate in dilute nitric acid?

Options:
A Mg(NO3)2
B Mg(NO3)2·6H2O
C Mg(NO3)2·4H2O
D Mg(NO3)2·2H2O

The correct answer is:
Mg(NO3)2·4H2O

Solution:
When magnesium carbonate is dissolved in dilute nitric acid, it forms magnesium nitrate with four molecules of water.

Topic: Chemistry, s Block Elements, NEET
What is the chemical formula of Gypsum?

Options:
A CaSO4
B CaSO4·H2O
C CaSO4·2H2O
D CaSO4·3H2O

The correct answer is:
CaSO4·2H2O

Solution:
Calcium sulfate has the chemical formula CaSO4·2H2O.

Topic: Chemistry, s Block Elements, NEET
What is the chemical formula of heavy water?

Options:
A H2O
B D2O
C HDO
D DO2

The correct answer is:
D2O

Solution:
The chemical formula of heavy water is D2O, where "D" represents deuterium, a heavy isotope of hydrogen.

Topic: Chemistry, Hydrogen, NEET
What is the chemical formula of hydrogen chloride gas?

Options:
A H2Cl
B NaCl
C HCl
D Ca(OCl)2

The correct answer is:
HCl

Solution:
The chemical formula of hydrogen chloride gas is HCl.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the chemical formula of hypochlorous acid?

Options:
A H2O2
B HOCl
C HCl
D H2SO4

The correct answer is:
HOCl

Solution:
The chemical formula of hypochlorous acid is HOCl.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the chemical formula of lithium chloride dihydrate?

Options:
A LiCl·H2O
B Li2Cl·2H2O
C LiCl·2H2O
D LiCl2·H2O

The correct answer is:
LiCl·2H2O

Solution:
The chemical formula of lithium chloride dihydrate is LiCl·2H2O, indicating that it contains two water molecules per formula unit of lithium chloride.

Topic: Chemistry, s Block Elements, NEET
What is the chemical formula of methane?

Options:
A CH4
B CO2
C H2O
D C6H12

The correct answer is:
CH4

Solution:
Methane has the chemical formula CH4, consisting of one carbon atom and four hydrogen atoms.

Topic: Chemistry, Hydrocarbons, NEET
What is the chemical formula of peroxodisulphate?

Options:
A H2SO4
B HSO5
C H2S2O8.
D H2S2O6

The correct answer is:
H2S2O8.

Solution:
Peroxodisulphate has the chemical formula H2S2O8.

Topic: Chemistry, Hydrogen, NEET
What is the chemical formula of plaster of Paris?

Options:
A CaSO4
B CaSO4·H2O
C CaSO4·2H2O
D CaSO4·3H2O

The correct answer is:
CaSO4·2H2O

Solution:
Plaster of Paris has the chemical formula CaSO4·1/2H2O.

Topic: Chemistry, s Block Elements, NEET
What is the chemical formula of sodium carbonate?

Options:
A NaCO3
B NaHCO3
C Na2CO3
D NaOH

The correct answer is:
Na2CO3

Solution:
The chemical formula of sodium carbonate is Na2CO3.

Topic: Chemistry, s Block Elements, NEET
What is the chemical formula of sodium hexametaphosphate?

Options:
A NaCl
B Na2CO3
C NaOH
D Na6P6O18

The correct answer is:
Na6P6O18

Solution:
The chemical formula of sodium hexametaphosphate is Na6P6O18

Topic: Chemistry, Hydrogen, NEET
What is the chemical formula of the dihydrogen liberated when an alkaline earth metal reacts with hydrochloric acid?

Options:
A H
B H2O
C H2
D HCl

The correct answer is:
H2

Solution:
When an alkaline earth metal reacts with hydrochloric acid, it liberates dihydrogen gas, which has the chemical formula H2.

Topic: Chemistry, s Block Elements, NEET
What is the chemical formula used to represent a hydrated proton?

Options:
A H+
B H2O
C H3O+
D H2O3

The correct answer is:
H3O+

Solution:
The paragraph mentions that a hydrated proton is represented by the chemical formula H3O+.

Topic: Chemistry, Ionic Equilibrium, NEET
What is the chemical linkage present in arsphenamine (salvarsan) that resembles the linkage present in azodyes?

Options:
A -N = N -
B -S = S -
C -O = O -
D -As = As -

The correct answer is:
-As = As -

Solution:
The -As = As- linkage present in arsphenamine resembles the -N = N - linkage present in azodyes.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What is the chemical linkage that connects amino acids in proteins?

Options:
A Ester bond
B Peptide bond
C Glycosidic bond
D Hydrogen bond

The correct answer is:
Peptide bond

Solution:
The amino acids in proteins are connected by a chemical linkage known as the "peptide bond."

Topic: Chemistry, Biomolecules, NEET
What is the chemical name of the product formed by the absorption of SO3 in H2SO4 in the Contact Process for sulfuric acid manufacture?

Options:
A Sulphuric oxide
B Sulphurous acid
C Oleum (H2S2O7)
D Sulfur trioxide

The correct answer is:
Oleum (H2S2O7)

Solution:
In the Contact Process, the product formed by the absorption of SO3 in H2SO4 is Oleum (H2S2O7).

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the chemical nature of aldosterone?

Options:
A Fatty acid
B Peptide
C Amine
D Steroid

The correct answer is:
Steroid

Solution:
Steroids are derivatives of phenanthrene ring e.g. male sex hormones (testosterone), female sex hormones (estrogen), cortisol, cortisone, aldosterone, progesterone, bile acids, etc.

Topic: Biology, Chemical Coordination and Integration, NEET
What is the chemical nature of insulin hormone?

Options:
A Peptide hormone
B Steroid hormone
C Iodothyronine hormone
D Amino-acid derivative hormone

The correct answer is:
Peptide hormone

Solution:
Insulin is a type of peptide, polypeptide, protein hormone along with other hormones like glucagon, pituitary hormones, hypothalamic hormones, etC)

Topic: Biology, Chemical Coordination and Integration, NEET
What is the chemical nature of lecithin?

Options:
A Steroid
B Glycolipid
C Carbohydrate
D Phospholipid

The correct answer is:
Phospholipid

Solution:
Lipids are esters of fatty acids and alcohols. These are classified as simple lipids, conjugated lipids and derived lipids. Simple lipids are pure esters. Conjugated lipids are compound lipids. These have lipid and non lipid parts. Glycolipids, phospholipids are its examples. In phospholipids, the non-lipid part is phosphate group which are found in cell membranes. One example of such phospholipid is lecithin. This phospholipid has an additional group choline attached to the phosphate group. Lecithin is found in egg yolks.

Topic: Chemistry, Biomolecules, NEET
What is the chemical nature of sucralose?

Options:
A A natural sugar
B A trichloro derivative of sucrose
C A synthetic compound with no specific structure
D A dipeptide formed from aspartic acid and phenylalanine

The correct answer is:
A trichloro derivative of sucrose

Solution:
Sucralose is a trichloro derivative of sucrose.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What is the chemical process involved in the preparation of calcium oxide on a commercial scale?

Options:
A Electrolysis of calcium chloride
B Heating of limestone (CaCO3) in a rotary kiln
C Combining calcium and oxygen at high temperature
D Oxidation of calcium carbonate (CaCO3) with water vapor

The correct answer is:
Heating of limestone (CaCO3) in a rotary kiln

Solution:
Calcium oxide (CaO) is prepared on a commercial scale by heating limestone (CaCO3) in a rotary kiln at temperatures ranging from 1070 to 1270 K.

Topic: Chemistry, s Block Elements, NEET
What is the chemical process of soap formation called?

Options:
A Oxidation
B Reduction
C Saponification
D Fermentation

The correct answer is:
Saponification

Solution:
The chemical reaction used to form soaps is known as saponification.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What is the chemical property of all gibberellins?

Options:
A Basic
B Neutral
C Alkaline
D Acidic

The correct answer is:
Acidic

Solution:
All GAs are acidic.

Topic: Biology, Plant - Growth and Development, NEET
What is the chemical reaction for the bleaching action of chlorine on colored substances in the presence of moisture?

Options:
A Cl2 + H2O → 2HCl + O2
B Colored substance + O2 → Colorless substance
C Cl2 + H2O → 2HCl + H2O
D Colored substance + H2O → Colorless substance

The correct answer is:
Colored substance + O2 → Colorless substance

Solution:
The bleaching action of chlorine on colored substances in the presence of moisture involves the reaction: Colored substance + O2 → Colorless substance. Chlorine provides the oxygen (O2) needed for bleaching.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the chemical reaction for the preparation of chlorine by heating manganese dioxide with concentrated hydrochloric acid (HCl)?

Options:
A MnO2 + 4HCl → MnCl2 + Cl2 + 2H2O
B MnO2 + 4HCl → MnCl4 + Cl2 + 2H2O
C MnCl2 + 4HCl → MnO2 + Cl2 + 2H2O
D MnCl2 + H2SO4 → MnO2 + 2HCl + H2O

The correct answer is:
MnO2 + 4HCl → MnCl2 + Cl2 + 2H2O

Solution:
Chlorine can be prepared by heating manganese dioxide (MnO2) with concentrated hydrochloric acid (HCl) through the following reaction: MnO2 + 4HCl → MnCl2 + Cl2 + 2H2O.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the chemical reaction that occurs in a Daniell cell to convert chemical energy into electrical energy?

Options:
A Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)
B Zn(s) + 2Cu2+(aq) → Zn2+(aq) + 2Cu(s)
C Zn2+(aq) + Cu(s) → Zn(s) + Cu2+(aq)
D Cu(s) + Zn2+(aq) → 2Cu2+(aq) + Zn(s)

The correct answer is:
Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)

Solution:
Daniell cell converts the chemical energy liberated during the redox reaction Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s) to electrical energy and has an electrical potential equal to 1.1 V when concentration of Zn2+ and Cu2+ ions is unity.

Topic: Chemistry, Electrochemistry, NEET
What is the chemical representation for a bare proton according to the paragraph?

Options:
A H2O
B OH-
C H3O+
D H+

The correct answer is:
H+

Solution:
The paragraph describes a bare proton with the chemical representation H+.

Topic: Chemistry, Ionic Equilibrium, NEET
What is the chemical structure of a peptide bond?

Options:
A -COOH
B -NH2
C -CO-NH-
D -OH

The correct answer is:
-CO-NH-

Solution:
The chemical structure of a peptide bond as -CO-NH-.

Topic: Chemistry, Biomolecules, NEET
What is the chemical structure of natural rubber, also known as cis-1,4-polyisoprene?

Options:
A Linear chains of isoprene monomers held by covalent bonds
B Crosslinked chains of isoprene monomers
C Random arrangement of monomers
D Chains held together by strong metallic bonds

The correct answer is:
Linear chains of isoprene monomers held by covalent bonds

Solution:
Natural rubber, or cis-1,4-polyisoprene, consists of linear chains of isoprene monomers held together by covalent bonds.

Topic: Chemistry, Polymers, NEET
What is the chemical structure of the intermediate formed during the addition reaction of ammonia and its derivatives to aldehydes and ketones?

Options:
A >C=N-Z
B >C=O
C >C-H
D >C-OH

The correct answer is:
>C=O

Solution:
The intermediate formed during the addition reaction has the structure >C=O, which is characteristic of the carbonyl group.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the chemical symbol for a reducing agent?

Options:
A Rg
B Ra
C Re
D Rn

The correct answer is:
Re

Solution:
The chemical symbol for a reducing agent is "Re," representing its role as a reductant.

Topic: Chemistry, Redox Reactions, NEET
What is the chemical symbol for an oxidizing agent in a redox reaction?

Options:
A O
B H
C C
D Fe

The correct answer is:
O

Solution:
Oxygen (O) is commonly involved as an oxidizing agent in many redox reactions.

Topic: Chemistry, Redox Reactions, NEET
What is the chemical symbol for the halogen group in acyl halides?

Options:
A H
B O
C X
D N

The correct answer is:
X

Solution:
The chemical symbol for the halogen group in acyl halides is X.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET