OCR A Level Chemistry A Unified chemistry November 2020 examiner report (H432/03)
Examiner report
- Q1 - 16 marks - Acylation and nucleophilic addition-elimination, Intermolecular forces, NMR spectroscopy, Organic synthesis routes
- Q2 - 6 marks - Complex ions and ligands, Dative covalent bonds, Ligand substitution reactions, Shapes of complex ions
- Q3 - 10 marks - Bond energy calculations, Calorimetry, Hess's law
- Q4 - 19 marks - Amounts of substance in equations, Moles and amount of substance, Reactions of acids, Redox equations, Titrations
- Q5 - 9 marks - The effect of changing conditions on equilibrium
- Q6 - 10 marks - Bronsted-Lowry acids and bases, Organic reaction mechanisms, Shapes of molecules and ions, Weak acids and Ka
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