Edexcel A-Level Chemistry AS Paper 2, June 2018
Every question from Edexcel A-Level Chemistry AS Paper 2, June 2018 (8CH0): 8 questions, 80 marks, each with its mark scheme and topic.
- Question 1 1 mark
Identify which of the given species does not act as a nucleophile from a multiple-choice list.
Organic Chemistry · Topic 6: Organic Chemistry I
- Question 2 12 marks
Calculate gas volumes using the ideal gas equation and molar volume at r.t.p., and determine reacting quantities and excess reagents from a titration and gas evolution experiment.
Physical Chemistry · Core Practicals · Topic 5: Formulae, Equations and Amounts of Substance · Core Practical 1: Measuring the molar volume of a gas
- Question 3 14 marks
Calculate Kc, enthalpy change, atom economy, and explain the effects of pressure and catalysts on the oxidation of ammonia and interpret a Maxwell-Boltzmann distribution curve.
Physical Chemistry · Core Practicals · Topic 5: Formulae, Equations and Amounts of Substance · Topic 8: Energetics I · Topic 9: Kinetics I · Topic 10: Equilibrium I · Topic 11: Equilibrium II
- Question 4 8 marks
Analyze reactions of 1-chloropropane and compare the rates of hydrolysis of various bromoalkanes.
Organic Chemistry · Core Practicals · Topic 6: Organic Chemistry I · Core Practical 4: Investigate the hydrolysis of halogenoalkanes
- Question 5 13 marks
Analyze the reactions, isomerism, mechanisms, polymerisation, incineration, and manufacturing conditions related to alkenes, halogenoalkanes, and chloroethene.
Organic Chemistry · Physical Chemistry · Topic 6: Organic Chemistry I · Topic 10: Equilibrium I
- Question 6 10 marks
Identify the reagent and conditions to convert but-2-ene-1,4-diol into butane-1,4-diol, describe its reaction classification, name another product made by this type of reaction, and describe how to prepare a standard solution of butanedioic acid from a solid.
Organic Chemistry · Core Practicals · Physical Chemistry · Topic 6: Organic Chemistry I · Core Practical 2: Preparation of a standard solution from a solid acid · Topic 5: Formulae, Equations and Amounts of Substance
- Question 7 11 marks
Calculate the concentration of sodium hydroxide from titration data involving ethanedioic acid, select an appropriate indicator, calculate percentage uncertainties in equipment measurements, and determine factors affecting titration uncertainty.
Physical Chemistry · Core Practicals · Topic 5: Formulae, Equations and Amounts of Substance · Topic 12: Acid-base Equilibria · Core Practical 3: Find the concentration of a solution of hydrochloric acid
- Question 8 11 marks
Properties, mass spectrometry, mean bond enthalpy calculations, incomplete combustion enthalpy changes, and oxidation reactions of 2-methylpropan-2-ol.
Organic Chemistry · Physical Chemistry · Core Practicals · Topic 6: Organic Chemistry I · Topic 7: Modern Analytical Techniques I · Topic 8: Energetics I