9701/22/O/N/23 · Chemistry October/November 2023 Paper 22
4 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 13 marks · Particles in the atom and atomic radius, Period 3 physical properties, Electrons, energy levels and atomic orbitals, Ionisation energy, Period 3 chlorides with water, Shapes of molecules
- Question 2 · 15 marks · Dynamic equilibrium, Le Chatelier's principle, Kc and Kp, Nitrogen oxides and pollution, Electrons, energy levels and atomic orbitals, Brønsted–Lowry theory of acids and bases, Thermal decomposition
- Question 3 · 19 marks · Reactions of Period 3 elements, Brønsted–Lowry theory of acids and bases, Enthalpy change definitions, Hess’s law, Oxidation and reduction, Electrophilic addition, Combustion, halogenation and sodium, Esters, Infrared spectroscopy, Mass spectrometry
- Question 4 · 13 marks · Optical isomerism, Organic formulas and naming, Intermolecular forces, Addition polymers and the bromine test, Oxidising alcohols, Organic synthesis
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.