9701/23/M/J/19 · Chemistry May/June 2019 Paper 23
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 12 marks · Particles in the atom and atomic radius, Mass spectrometry, Electrons, energy levels and atomic orbitals, Ionisation energy
- Question 2 · 9 marks · Lattice structures, Intermolecular forces, Covalent and dative bonding, Some reactions of the halide ions, Oxidation and reduction
- Question 3 · 7 marks · Reactions of Period 3 elements, Group 2 oxides, hydroxides and carbonates, Brønsted–Lowry theory of acids and bases, Structure and properties, Thermal decomposition
- Question 4 · 9 marks · Nitrogen oxides and pollution, Reacting masses and yield, Homogeneous and heterogeneous catalysts
- Question 5 · 12 marks · Nitriles and hydroxynitriles, Characteristic organic reactions, Nucleophilic substitution reactions, Reactivity and C–X bond strength, SN1 and SN2
- Question 6 · 11 marks · Addition polymers and the bromine test, Oxidising alkenes, Organic formulas and naming, Oxidising alcohols, Combustion, halogenation and sodium
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.