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Chemistry · AQA 7405 · Paper 3 · November 2021

AQA A Level Chemistry Paper 3 November 2021 examiner report (7405/3)

2h 90 marks

Materials
Data booklet

Examiner report

  1. Q1 - 20 marks - Biodegradability and disposal of polymers, Condensation polymerisation, Ligand substitution reactions, Variable oxidation states of transition metals
  2. Q2 - 4 marks - Peptides and protein structure, Thin-layer, column and gas chromatography
  3. Q3 - 11 marks - Acylation and nucleophilic addition-elimination, Aldehydes and ketones
  4. Q4 - 7 marks - Group 7: the halogens
  5. Q5 - 5 marks - Buffer solutions, Moles and amount of substance, pH calculations, Weak acids and Ka
  6. Q6 - 13 marks - Amounts of substance in equations, Elimination reactions, Oxidation of alcohols, Tests for organic functional groups
  7. Q7 - 1 mark - Coloured transition metal ions, Free-radical substitution, Isotopes and relative atomic mass
  8. Q8 - 1 mark - Group 7: the halogens, Shapes of complex ions, Sub-shells, orbitals and electron configuration
  9. Q9 - 1 mark - Equilibrium constant Kp, Moles and amount of substance
  10. Q10 - 1 mark - Sub-shells, orbitals and electron configuration
  11. Q11 - 1 mark - Infrared spectroscopy, NMR spectroscopy
  12. Q12 - 1 mark
  13. Q13 - 1 mark - Shapes of molecules and ions
  14. Q14 - 1 mark - Crystal structures and physical properties
  15. Q15 - 1 mark - Shapes of molecules and ions
  16. Q16 - 1 mark - Electronegativity and bond polarity
  17. Q17 - 1 mark - Intermolecular forces, Naming organic compounds, Optical isomerism
  18. Q18 - 1 mark
  19. Q19 - 1 mark - Maxwell-Boltzmann distribution
  20. Q20 - 1 mark - The effect of changing conditions on equilibrium
  21. Q21 - 1 mark - Oxidation states
  22. Q22 - 1 mark - Crystal structures and physical properties
  23. Q23 - 1 mark - Isomerism
  24. Q24 - 1 mark - Condensation polymerisation
  25. Q25 - 1 mark - Amounts of substance in equations, Properties of hydrocarbons
  26. Q26 - 1 mark - Oxidation of alcohols
  27. Q27 - 1 mark - Naming organic compounds
  28. Q28 - 1 mark - Acylation and nucleophilic addition-elimination, Group 7: the halogens
  29. Q29 - 1 mark - Amounts of substance in equations
  30. Q30 - 1 mark - Amines, Nucleophilic substitution
  31. Q31 - 1 mark - Acylation and nucleophilic addition-elimination
  32. Q32 - 1 mark - Amines
  33. Q33 - 1 mark - Condensation polymerisation
  34. Q34 - 1 mark - Biodegradability and disposal of polymers
  35. Q35 - 1 mark - Amino acids
  36. Q36 - 1 mark