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Chemistry A · OCR H432 · Synthesis and analytical techniques · November 2021

OCR A Level Chemistry A Synthesis and analytical techniques November 2021 examiner report (H432/02)

2h 15m 100 marks

Examiner report

  1. Q1 - 1 mark - Free-radical substitution, Isomerism
  2. Q2 - 1 mark - E-Z isomerism, Optical isomerism
  3. Q3 - 1 mark - Amounts of substance in equations
  4. Q4 - 1 mark - Alcohols, Atoms, elements and compounds
  5. Q5 - 1 mark - Nucleophilic addition, Optical isomerism
  6. Q6 - 1 mark - Esters
  7. Q7 - 1 mark - Elimination reactions
  8. Q8 - 1 mark - Shapes of molecules and ions
  9. Q9 - 1 mark - Amines, Carbon–carbon bond formation, Nucleophilic addition
  10. Q10 - 1 mark - Thin-layer, column and gas chromatography
  11. Q11 - 1 mark - Infrared spectroscopy
  12. Q12 - 1 mark - Mass spectrometry
  13. Q13 - 1 mark - NMR spectroscopy
  14. Q14 - 1 mark - Benzene and aromatic chemistry
  15. Q15 - 1 mark - Carboxylic acids, Halogenoalkanes, Phenols
  16. Q16 - 17 marks - Alkenes, E-Z isomerism, Electrophilic addition, Organic reaction mechanisms
  17. Q17 - 10 marks - Addition polymerisation, Condensation polymerisation, Intermolecular forces
  18. Q18 - 18 marks - Acylation and nucleophilic addition-elimination, Amines, Amino acids, Amounts of substance in equations, Esters, Halogenoalkanes, Moles and amount of substance, Optical isomerism, Organic synthesis routes, Properties of ionic compounds
  19. Q19 - 14 marks - Carbon–carbon bond formation, Electrophilic addition, Esters, Naming organic compounds, Nucleophilic addition, Percentage yield
  20. Q20 - 20 marks - Electrophilic substitution, Esters, Instrumental methods, Organic synthesis routes, Phenols
  21. Q21 - 6 marks - Instrumental methods, Tests for organic functional groups