9701/22/O/N/24 · Chemistry October/November 2024 Paper 22
4 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 9 marks · Electrons, energy levels and atomic orbitals, Particles in the atom and atomic radius, Relative masses of atoms and molecules, Mass spectrometry
- Question 2 · 15 marks · Reactions of Period 3 elements, Dot-and-cross diagrams, Oxidation numbers of oxides and chlorides, Period 3 oxides and hydroxides, Nitriles and hydroxynitriles, Electrophilic addition, Iodoform test and acidity, Intermolecular forces
- Question 3 · 19 marks · Nitrogen oxides and pollution, Group 2 oxides, hydroxides and carbonates, Thermal decomposition, Oxidation numbers, Oxidation and reduction, Nitrogen and ammonia, Shapes of molecules, Ionisation energy, Structure and properties, Lattice structures, Covalent and dative bonding
- Question 4 · 17 marks · Addition polymers and the bromine test, Hess’s law, Making halogenoalkanes, Addition polymerisation, Structural isomerism, Organic formulas and naming, Tests for carbonyls, Infrared spectroscopy, Carboxylic acids
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.