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Chemistry · AQA 7405 · Paper 3 · June 2019

AQA A Level Chemistry Paper 3 June 2019 examiner report (7405/3)

2h 90 marks

Materials
Data booklet

Examiner report

  1. Q1 - 13 marks - Amounts of substance in equations, Factors affecting the rate of reaction, Period 3 elements and their oxides, Shapes of molecules and ions
  2. Q2 - 15 marks - Amounts of substance in equations, Moles and amount of substance, Period 3 elements and their oxides, The effect of changing conditions on equilibrium, Weak acids and Ka
  3. Q3 - 17 marks - Electrode potentials and electrochemical cells
  4. Q4 - 9 marks - Addition polymerisation, Aldehydes and ketones, Elimination reactions, Optical isomerism
  5. Q5 - 6 marks - Amounts of substance in equations, Variable oxidation states of transition metals
  6. Q6 - 1 mark - Amounts of substance in equations
  7. Q7 - 1 mark - Amounts of substance in equations, Moles and amount of substance
  8. Q8 - 1 mark - Hess's law
  9. Q9 - 1 mark - The effect of changing conditions on equilibrium
  10. Q10 - 1 mark - Rate equations and orders of reaction
  11. Q11 - 1 mark - Equilibrium constant Kp
  12. Q12 - 1 mark - Equilibrium constant Kp, The effect of changing conditions on equilibrium
  13. Q13 - 1 mark - Electrode potentials and electrochemical cells
  14. Q14 - 1 mark - Sub-shells, orbitals and electron configuration
  15. Q15 - 1 mark - Group 2: the alkaline earth metals
  16. Q16 - 1 mark - Group 2: the alkaline earth metals, Group 7: the halogens
  17. Q17 - 1 mark - Group 7: the halogens, Intermolecular forces
  18. Q18 - 1 mark - Ligand substitution reactions
  19. Q19 - 1 mark - Chlorine, chlorate(I) and water treatment
  20. Q20 - 1 mark - Electrophilic substitution
  21. Q21 - 1 mark - Organic synthesis routes
  22. Q22 - 1 mark - Oxidation of alcohols
  23. Q23 - 1 mark - Tests for organic functional groups
  24. Q24 - 1 mark - Carboxylic acids
  25. Q25 - 1 mark - Acylation and nucleophilic addition-elimination, Carboxylic acids
  26. Q26 - 1 mark - Electrophilic substitution
  27. Q27 - 1 mark - Amines
  28. Q28 - 1 mark - Condensation polymerisation
  29. Q29 - 1 mark - Peptides and protein structure
  30. Q30 - 1 mark
  31. Q31 - 1 mark - Crystal structures and physical properties
  32. Q32 - 1 mark
  33. Q33 - 1 mark - Electrophilic addition
  34. Q34 - 1 mark - Acylation and nucleophilic addition-elimination
  35. Q35 - 1 mark - Amino acids