9701/22/O/N/21 · Chemistry October/November 2021 Paper 22
3 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 26 marks · Intermolecular forces, Enthalpy change definitions, Kc and Kp, Le Chatelier's principle, Formulas, Oxidation and reduction, Dot-and-cross diagrams, Characteristic organic reactions, Brønsted–Lowry theory of acids and bases, Acids and bases, Addition polymers and the bromine test
- Question 2 · 17 marks · Period 3 physical properties, Ionisation energy, Oxidation numbers of oxides and chlorides, Particles in the atom and atomic radius, Chemical periodicity of other elements, Covalent and dative bonding
- Question 3 · 17 marks · Organic formulas and naming, Cis/trans isomerism, Covalent and dative bonding, Oxidising alkenes, Tests for carbonyls, Infrared spectroscopy, Oxidation and reduction, Reduction and nucleophilic addition, Optical isomerism, Dehydration and esterification, Addition polymerisation, Temperature and activation energy
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.