9701/22/O/N/19 · Chemistry October/November 2019 Paper 22
4 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 19 marks · Electrons, energy levels and atomic orbitals, Ionisation energy, Mass spectrometry, Structure and properties, Formulas, Le Chatelier's principle
- Question 2 · 11 marks · Period 3 oxides and hydroxides, Brønsted–Lowry theory of acids and bases, Group 2 metal reactions, Group 2 trends and solubility, Gases and pV = nRT, Reacting masses and yield, Dot-and-cross diagrams
- Question 3 · 13 marks · Reactions of Period 3 elements, Period 3 chlorides with water, Oxidation and reduction, Nitrogen and ammonia, Shapes of molecules, Making halogenoalkanes, Characteristic organic reactions, Some reactions of the halide ions, Reactivity and C–X bond strength
- Question 4 · 17 marks · SN1 and SN2, Oxidising alcohols, Optical isomerism, Addition polymers and the bromine test, Addition polymerisation, Organic formulas and naming, Homogeneous and heterogeneous catalysts, Esters, Infrared spectroscopy, Nucleophilic substitution reactions, Nitriles and hydroxynitriles
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.