OCR A Level Chemistry A Unified chemistry June 2023 examiner report (H432/03)
Examiner report
- Q1 - 9 marks - Group 7: the halogens, Intermolecular forces, Ionisation energies, Moles and amount of substance, Shapes of molecules and ions, Transition metals
- Q2 - 11 marks - Calorimetry, Organic reaction mechanisms, Oxidation states, pH calculations, Rate equations and orders of reaction
- Q3 - 6 marks - Optical isomerism, Organic synthesis routes
- Q4 - 10 marks - Amounts of substance in equations, Empirical formulae, Identification of ions, Ligand substitution reactions, Properties of ionic compounds
- Q5 - 11 marks - Esters, Organic synthesis routes, Phenols, Titrations
- Q6 - 23 marks - Amounts of substance in equations, Covalent bonding, Empirical formulae, Equilibrium constant Kc, Esters, Reactions of acids, Redox equations, Shapes of molecules and ions
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