– PAG: , , – PAG: , , , , , – PAG: – PAG: – PAG: , – PAG: – PAG: solution – PAG: , solution (acidified) – PAG: , , solid – PAG: solution – PAG: , , solution – PAG: , , solution – PAG: , , – PAG: – PAG: – PAG: solution – PAG: , , , – PAG: , solution – PAG: , , , solution – PAG: , , – PAG: solution – PAG: , solid (analytical grade) – PAG: solution – PAG: solution – PAG: , , , , , , , , solid – PAG: (VI) solution – PAG: solution – PAG: , , – PAG: , – PAG: , , , , , , , – PAG: – PAG: solution – PAG: PAG 1.1 – Determination of the composition of copper(II) carbonate basic Label Identity Hazard information CuCO3Cu(OH)2(s) copper(II) carbonate solid, CuCO3Cu(OH)2(s) Harmful if swallowed
Each learner or group will require approximately 1.5 g H2SO4(aq) 1.0 mol dm–3 aqueous sulfuric(VI) acid, Each learner or group will require 50 cm3 WARNING Causes skin irritation and serious eye irritation PAG 1.2 – Determination of the relative atomic mass of magnesium Label Identity Hazard information 1.0 mol dm–3 H2SO4(aq) 1.0 mol dm–3 aqueous sulfuric(VI) acid, H2SO4(aq) Each learner or will require 10 cm3. WARNING Causes skin irritation and serious eye irritation Mg(s) magnesium ribbon Each learner or group will require approximately g Currently not classified as hazardous in this form PAG 1.3 – Determination of the formula of magnesium Label Identity Hazard information
PAG 2.2 – Determination of the molar mass of an acid Identity Hazard information Unknown hydrated acid Citric acid monohydrate solid, C6H8O7H2O(s) Each learner will require between 1.9–2.1g in a stoppered weighing bottle. A freshly opened stock bottle should be used. WARNING Causes serious eye irritation and skin irritation. May cause respiratory irritation. NaOH(aq) 0.100 mol dm3 aqueous sodium hydroxide, NaOH(aq) Each learner will require about 150 cm3. Currently not classified as hazardous at this concentration Phenolphthalein indicator solution 0.1% phenolphthalein indicator solution WARNING Highly flammable See CLEAPSS Recipe Book 46 PAG 2.3 – Identification of an unknown carbonate Label Identity Hazard information X2CO3(s) sodium carbonate solid, Na2CO3(s) WARNING Causes serious eye irritation
PAG 5.1 – Synthesis of a haloalkane Label Identity / amount required per learner or group Hazard information 2-methylpropan-2-ol 2-methylpropan-2-ol, CH3CH(CH3)ClCH3(l) c. 6.5 cm3 (5 g). Note: 2-methylpropan-2-ol has a melting temperature of 25.5C – ensure it has melted before supplying the learners. DANGER Highly flammable liquid and vapour. Causes serious eye irritation. Harmful if inhaled. May cause respiratory irritation. conc. HCl(aq) concentrated hydrochloric acid, HCl(aq) c. 20 cm3 DANGER Causes severe skin burns and eye damage. May cause respiratory irritation. Wear splash-proof goggles/face shield Wear chemical resistant gloves 5% NaHCO3(aq) 5% w/v sodium hydrogencarbonate solution, NaHCO3(aq) c. 50 cm3 Currently not classified as hazardous Na2SO4(s) anhydrous sodium sulfate(VI) Na2SO4(s) c. 3 g Currently not classified as hazardous HNO3(aq) 0.4 mol dm–3 aqueous nitric acid, HNO3(aq) a few drops WARNING Causes skin irritation and serious eye irritation 0.05 mol dm–3 aqueous silver nitrate, AgNO3(aq) a few drops Currently not classified as hazardous at this concentration Solutions cause skin to blacken and will stain clothing and some bench surfaces.
PAG 5.2 – Preparation of cyclohexene Identity / amount required per learner or group Hazard information cyclohexanol cyclohexanol, C6H11OH c. 10 cm3 Note: Cyclohexanol has a melting point of 26C – ensure it has melted before supplying the learners. Harmful by inhalation and if swallowed. Irritating to respiratory system and skin. conc. H3PO4(aq) 85% (w/w) phosphoric(V) acid (orthophosphoric acid) c. 4 cm3 DANGER Causes severe skin and eye damage Wear splash-proof goggles/face shield Wear chemical resistant gloves sat. NaCl(aq) saturated sodium chloride solution, NaCl(aq) c. 15 cm3 Currently not classified as hazardous at this concentration CaCl2(s) anhydrous calcium chloride, CaCl2(s) c. 2-3 g WARNING Causes serious eye irritation Br2(aq) <0.06 mol dm–3 bromine Br2(aq) c. a few drops Currently not classified as hazardous at this concentration
PAG 5.3 – Oxidation of ethanol Identity / amount required per learner or Hazard information ethanol ethanol, C2H5OH(l) ca. 2 cm3 DANGER Highly flammable liquid and vapour. IDA is also: Harmful if swallowed. May damage to organs. Na2Cr2O7·2H2O(s) Sodium Na2Cr2O7·2H2O(s) 2.0 g and 4.0 g separately preweighed in weighboats/sample tubes DANGER May intensity fire; oxidiser. Toxic if swallowed. Harmful in contact with skin. Causes severe skin burns and eye damage. May cause an allergic skin reaction. Fatal if inhaled. May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause genetic defects. May cause cancer. May damage fertility. May damage the unborn child. Causes damage to organs through prolonged or repeated exposure. Very toxic to aquatic life with long lasting effects. Wear splash-proof goggle. Wear chemical-resistant gloves. 2.0 mol dm–3 H2SO4(aq) 2.0 mol dm–3 aqueous sulfuric(VI) acid, H2SO4(aq) ca.20 cm3 WARNING Causes skin irritation and serious eye irritation 3.0 mol dm–3 H2SO4(aq) 3.0 mol dm–3 aqueous sulfuric(VI) acid, H2SO4(aq) ca.20 cm3 WARNING Causes skin irritation and serious eye irritation Na2CO3(s) sodium carbonate solid, Na2CO3(s) ca. 0.5 g WARNING Causes serious eye irritation
oil of wintergreen oil of wintergreen (98% methyl 2-hydroxybenzoate) ca 2.5 g WARNING Causes skin irritation, serious eye irritation and may cause respiratory irritation. 2.0 mol dm-3 NaOH(aq) 2.0 mol dm3 aqueous sodium hydroxide, NaOH(aq) ca. 25 cm3 DANGER Causes severe skin and eye damage Wear goggles 2.00 mol dm-3 HCl(aq) 2.00 mol dm–3 aqueous hydrochloric acid, HCl(aq) ca. 5 cm3 Currently not classified as hazardous at this concentration PAG 6.2 – Preparation of benzoic acid Label Identity / amount required per learner or Hazard information methyl benzoate methyl benzoate, C6H5COOCH3(l) c. 2 cm3 WARNING Harmful if swallowed. May cause skin irritation and serious eye irritation. 2.0 mol dm–3 NaOH(aq) 2.0 mol dm3 aqueous sodium hydroxide, NaOH(aq) c. 10 cm3 DANGER Causes severe skin burns and eye damage Wear splash-proof goggles
2.00 mol dm–3 HCl(aq) 2.00 mol dm–3 aqueous hydrochloric acid, HCl(aq) c. 20 cm3 Currently not classified as hazardous at this concentration Ethanol ethanol, C2H5OH(l) c. 10 cm3 DANGER Highly flammable liquid and vapour. IDA is also: Harmful if swallowed. May cause damage to organs. methyl orange indicator 0.1% methyl orange indicator Currently not classified as hazardous at this concentration See CLEAPSS Recipe Book 46 PAG 6.3 – Preparation of methyl 3-nitrobenzoate Label Identity / amount required per learner or group Hazard information methyl benzoate methyl benzoate, C6H5COOCH3(l) c. 2.5 cm3 WARNING Harmful if swallowed. May cause skin irritation and serious eye irritation. conc. H2SO4 concentrated sulfuric(VI) acid, c. 7 cm3 DANGER Causes severe skin and eye damage Wear splash-proof goggles/face shield
ethanol ethanol, CH3CH2OH(l) c. 3 drops DANGER Highly flammable liquid and vapour. IDA is also: Harmful if swallowed. May cause damage to organs. propan-2-ol propan-2-ol, CH3CHOHCH3(l) c. 3 DANGER Highly flammable liquid and vapour. Causes serious eye damage. May cause drowsiness or dizziness. 2-methylpropan-2-ol, (CH3)3COH(l) c. 3 drops DANGER Highly flammable liquid and vapour. Causes serious eye irritation. Harmful if inhaled. May cause respiratory irritation. acidified 0.100 mol dm–3 K2Cr2O7(aq) 0.100 mol dm–3 aqueous potassium dichromate(VI), K2Cr2O7(aq), in 1.4 mol dm–3 sulfuric(VI) acid, H2SO4(aq) c. 20 drops DANGER May cause allergic skin reactions; allergy / asthma symptoms / breathing difficulties if inhaled; cancer; genetic defects. May damage the unborn child. Causes skin irritation and serious eye irritation. May cause damage to organs through prolonged or repeated exposure. Causes severe skin burns and eye damage. Harmful if swallowed. May cause respiritatory irritation.
PAG 8.2 – Electrochemical cells 2 Identity / amount required per learner or group Hazard information 1.0 mol dm–3 copper sulfate(VI) 1.0 mol dm–3 aqueous copper sulfate(VI) solution, CuSO4(aq) c. 50 cm3 WARNING Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. 1.0 mol dm-3 iron(II) sulfate(VI) 1.0 mol dm–3 aqueous iron(II) sulfate(VI) solution, ZnSO4(aq) c. 50 cm3 WARNING Causes serious eye irritation. 1.0 mol dm–3 magnesium sulfate(VI) 1.0 mol dm–3 aqueous magnesium sulfate(VI) solution, MgSO4(aq) c. 50 cm3 Currently not classified as hazardous 1.0 mol dm-3 zinc sulfate(VI) 1.0 mol dm–3 aqueous zinc sulfate(VI) solution, ZnSO4(aq) c. 50 cm3 DANGER Causes serious eye damage. saturated potassium nitrate(V) solution saturated aqueous potassium nitrate(V) solution, KNO3(aq) c. 200 cm3 in a wide shallow container for the class Currently not classified as hazardous at this concentration magnesium Magnesium ribbon, Mg(s) one strip, c. 10 cm piece of ribbon Currently not classified as hazardous in this form.
PAG 8.3 – Electrochemical 3 Label Identity / amount required per learner or Hazard information 0.1 mol dm–3 copper sulfate(VI) solution 0.1 mol dm–3 aqueous copper sulfate(VI) solution, c. a few drops Currently not classified as hazardous at this concentration 0.1 mol dm–3 iron(II) sulfate(VI) 0.1 mol dm–3 aqueous iron(II) sulfate(VI) solution, ZnSO4(aq) c. a few drops Currently not classified as hazardous at this concentration 0.1 mol dm–3 magnesium sulfate(VI) 1.0 mol dm–3 aqueous magnesium sulfate(VI) solution, MgSO4(aq) c. a few Currently not classified as hazardous 0.1 mol dm-3 zinc sulfate(VI) 0.1 mol dm–3 aqueous zinc sulfate(VI) solution, ZnSO4(aq) c. a few drops WARNING Causes serious eye damage. magnesium ribbon magnesium ribbon (c. 1 cm), Mg(s) one piece Currently not classified as hazardous in this form. saturated potassium nitrate(V) solution Saturated aqueous potassium nitrate(V) solution, KNO3(aq) c. a few drops Currently not classified as hazardous at this concentration
ethanoate buffer (0.1 mol dm–3 ethanoic acid CH3COOH (aq) / 0.1 mol dm–3sodium ethanoate, CH3COONa(aq)), (1 : 1) c. 15 cm3 Currently not classified as hazardous at this concentration, but as supplied as an unknown solution, as: WARNING May cause skin and eye irritation 0.1 mol dm–3 aqueous hydrochloric acid, HCl(aq) c. 15 cm3 Currently not classified as hazardous at this concentration, but as supplied as an unknown solution, label as: WARNING May cause skin and eye irritation 0.1 mol dm–3 aqueous methanoic acid, HCOOH(aq) c. 15 cm3 Currently not classified as hazardous at this concentration, but as supplied as an unknown solution, label as: WARNING May cause skin and eye irritation 0.1 mol dm–3 aqueous sodium hydroxide, NaOH(aq) c. 15 cm3 Currently not classified as hazardous at this concentration, but as supplied as an unknown solution, label as: WARNING May cause skin and eye irritation 0.1 mol dm–3 aqueous sulfuric(VI) acid, c. 15 cm3 Currently not classified as hazardous at this concentration, but as supplied as an unknown solution, label as: WARNING May cause skin and eye irritation Phenolphthalein indicator solution 0.1% phenolphthalein indicator solution access to a dropper bottle WARNING Highly flammable See CLEAPSS Recipe Book 46 0.4 mol dm–3 NaOH(aq) 0.4 mol dm3 aqueous sodium hydroxide, NaOH(aq) c. 15 cm3 WARNING Causes skin irritation and serious eye irritation