9701/22/F/M/21 · Chemistry February/March 2021 Paper 22
4 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 14 marks · Temperature and activation energy, Gases and pV = nRT, Enthalpy change definitions
- Question 2 · 23 marks · The reactions of chlorine, Ionisation energy, Halogens and hydrogen halides, Oxidation numbers, Some reactions of the halide ions, Oxidation and reduction, Covalent and dative bonding, Period 3 chlorides with water, Structure and properties, Limiting reagents and stoichiometry, Alkanes, Electrons, energy levels and atomic orbitals
- Question 3 · 13 marks · Hess’s law, Nitrogen and ammonia, Brønsted–Lowry theory of acids and bases, Covalent and dative bonding, Infrared spectroscopy, Addition polymerisation, Nitriles and hydroxynitriles, Organic formulas and naming, Primary amines
- Question 4 · 10 marks · Shapes of molecules, Tests for carbonyls, Oxidation and reduction, Carboxylic acids, Making alcohols, Reduction and nucleophilic addition, Oxidising alkenes
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.