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Chemistry · AQA 7405 · Paper 2 · November 2021

AQA A Level Chemistry Paper 2 November 2021 examiner report (7405/2)

2h 105 marks

Materials

Examiner report

  1. Q1 - 15 marks - Amounts of substance in equations, Carboxylic acids
  2. Q2 - 19 marks - Bronsted-Lowry acids and bases, Infrared spectroscopy, Naming organic compounds, Organic reaction mechanisms, Shapes of molecules and ions
  3. Q3 - 7 marks - Calorimetry
  4. Q4 - 9 marks - Bond energy calculations, Electrophilic substitution, Hess's law
  5. Q5 - 7 marks - Carboxylic acids, Equilibrium constant Kc
  6. Q6 - 7 marks - Isomerism, NMR spectroscopy, Optical isomerism
  7. Q7 - 9 marks - Infrared spectroscopy, NMR spectroscopy
  8. Q8 - 13 marks - Acylation and nucleophilic addition-elimination, Electrophilic addition, Elimination reactions, Nucleophilic substitution, Organic synthesis routes
  9. Q9 - 7 marks - Free-radical substitution, Organic reaction mechanisms
  10. Q10 - 12 marks - Determining orders of reaction, Rate equations and orders of reaction