9701/22/O/N/20 · Chemistry October/November 2020 Paper 22
4 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 12 marks · Particles in the atom and atomic radius, Electrons, energy levels and atomic orbitals, Ionisation energy, Isotopes
- Question 2 · 14 marks · Period 3 oxides and hydroxides, Oxidation numbers of oxides and chlorides, Structure and properties, Lattice structures, Formulas
- Question 3 · 17 marks · Reactions of Period 3 elements, Lattice structures, Period 3 chlorides with water, Carboxylic acids, Optical isomerism, Electrophilic addition, Shapes of molecules, Brønsted–Lowry theory of acids and bases, Gases and pV = nRT
- Question 4 · 17 marks · Tests for carbonyls, Carboxylic acids, Combustion, halogenation and sodium, Esters, Structural isomerism, Oxidising alcohols, Reduction and nucleophilic addition, Dehydration and esterification, Organic synthesis, Infrared spectroscopy, Organic formulas and naming
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.