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Chemistry · AQA 7405 · Paper 3 · November 2020

AQA A Level Chemistry Paper 3 November 2020 examiner report (7405/3)

2h 90 marks

Materials
Data booklet

Examiner report

  1. Q1 - 8 marks - Amounts of substance in equations, Oxidation states, Properties of hydrocarbons, Transition metal catalysts
  2. Q2 - 5 marks - Period 3 elements and their oxides, Transition metal catalysts
  3. Q3 - 11 marks - Coloured transition metal ions, Moles and amount of substance
  4. Q4 - 15 marks - Determining orders of reaction, Rate equations and orders of reaction
  5. Q5 - 8 marks - Calorimetry, Enthalpy changes
  6. Q6 - 13 marks - Electrode potentials and electrochemical cells, Moles and amount of substance, Oxidation states
  7. Q7 - 1 mark - Amounts of substance in equations, The ideal gas equation
  8. Q8 - 1 mark - Crystal structures and physical properties, Shapes of molecules and ions
  9. Q9 - 1 mark - Enthalpy changes
  10. Q10 - 1 mark - Bond energy calculations
  11. Q11 - 1 mark - Oxidation states
  12. Q12 - 1 mark - Rate equations and orders of reaction
  13. Q13 - 1 mark - pH calculations, The ionic product of water, Kw
  14. Q14 - 1 mark - pH curves and indicators
  15. Q15 - 1 mark - Group 7: the halogens
  16. Q16 - 1 mark - Chlorine, chlorate(I) and water treatment
  17. Q17 - 1 mark - Transition metals
  18. Q18 - 1 mark - Transition metals
  19. Q19 - 1 mark - Oxidation states, Transition metals
  20. Q20 - 1 mark - Shapes of complex ions
  21. Q21 - 1 mark - Variable oxidation states of transition metals
  22. Q22 - 1 mark - Isomerism
  23. Q23 - 1 mark - Free-radical substitution
  24. Q24 - 1 mark - Electrophilic addition
  25. Q25 - 1 mark - Oxidation of alcohols
  26. Q26 - 1 mark - Optical isomerism
  27. Q27 - 1 mark - Acylation and nucleophilic addition-elimination
  28. Q28 - 1 mark - Electrophilic addition
  29. Q29 - 1 mark - Condensation polymerisation
  30. Q30 - 1 mark - Amino acids
  31. Q31 - 1 mark - Variable oxidation states of transition metals
  32. Q32 - 1 mark - pH calculations, The ionic product of water, Kw
  33. Q33 - 1 mark - Rate equations and orders of reaction
  34. Q34 - 1 mark - pH calculations
  35. Q35 - 1 mark - Carboxylic acids
  36. Q36 - 1 mark - Amounts of substance in equations