Edexcel A-Level Chemistry Paper 3, June 2017
Every question from Edexcel A-Level Chemistry Paper 3, June 2017 (9CH0): 9 questions, 120 marks, each with its mark scheme and topic.
- Question 1 11 marks
Describe and write ionic equations for the reactions of chromium(III) hydroxide with acid and alkali, and the reactions of copper(II) sulfate with aqueous ammonia.
Inorganic Chemistry · Topic 15: Transition Metals
- Question 2 21 marks
Investigate the preparation, purification, spectroscopic analysis, and oxidation calculations of 3-methylbutan-2-one from 3-methylbutan-2-ol.
Organic Chemistry · Core Practicals · Physical Chemistry · Core Practical 5: Investigate the oxidation of ethanol · Core Practical 7: Identify unknown organic liquids and inorganic solids · Topic 6: Organic Chemistry I · Topic 7: Modern Analytical Techniques I · Topic 17: Organic Chemistry II · Topic 18: Organic Chemistry III · Topic 5: Formulae, Equations and Amounts of Substance · Topic 19: Modern Analytical Techniques II
- Question 3 7 marks
Give the systematic IUPAC name for lysine, draw the structures of its reaction products with various reagents, draw the structure of an alanine-lysine dipeptide, and explain its chromatography retention relative to alanine.
Organic Chemistry · Topic 18: Organic Chemistry III · Topic 19: Modern Analytical Techniques II
- Question 4 21 marks
Calculate the enthalpy change of combustion of methanol using experimental data from a calorimetry practical and analyze measurement uncertainties and errors.
Physical Chemistry · Core Practicals · Core Practical 8: Determine the enthalpy change of a reaction using Hess’s law · Topic 8: Energetics I
- Question 5 6 marks
Draw the permanent dipole, fully displayed formula, name of product, properties and reactions of a Grignard reagent formed from 2-bromopropane reacting with magnesium.
Organic Chemistry · Topic 17: Organic Chemistry II · Topic 18: Organic Chemistry III
- Question 6 17 marks
Determine the value of x in hydrated magnesium nitrate using three different methods including titration, precipitation, and thermal decomposition.
Physical Chemistry · Inorganic Chemistry · Core Practicals · Core Practical 11: Find the amount of iron in an iron tablet using redox titration · Topic 5: Formulae, Equations and Amounts of Substance · Topic 3: Redox I · Topic 4: Inorganic Chemistry and the Periodic Table
- Question 7 15 marks
Explain why two d-block elements in Period 4 are not transition metals, calculate the final oxidation state of manganese from a redox titration, and determine the identity of a metal X in an electrochemical cell.
Inorganic Chemistry · Physical Chemistry · Topic 15: Transition Metals · Topic 5: Formulae, Equations and Amounts of Substance · Topic 14: Redox II
- Question 8 6 marks
Draw the mechanisms for the reactions of 1-chloropropane with an excess of ammonia and propanoyl chloride with ammonia.
Organic Chemistry · Topic 6: Organic Chemistry I · Topic 18: Organic Chemistry III
- Question 9 16 marks
Calculate the equilibrium constant Kc for the gas-phase reaction between hydrogen and iodine, process experimental data, plot graphs, determine gradients, and analyze the effects of temperature and volume changes on equilibrium.
Physical Chemistry · Topic 10: Equilibrium I · Topic 11: Equilibrium II