9701/22/M/J/21 · Chemistry May/June 2021 Paper 22
5 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 16 marks · Some reactions of the halide ions, Formulas, Reacting masses and yield, Halogens and hydrogen halides, Thermal decomposition, Electrons, energy levels and atomic orbitals, Group 2 oxides, hydroxides and carbonates
- Question 2 · 13 marks · Ionic bonding, Structure and properties, Covalent and dative bonding, Dot-and-cross diagrams, Gases and pV = nRT, Intermolecular forces
- Question 3 · 11 marks · Rate of reaction, Temperature and activation energy, SN1 and SN2, Reactivity and C–X bond strength
- Question 4 · 12 marks · Structural isomerism, Cis/trans isomerism, Addition polymers and the bromine test, Dehydration and esterification, Oxidising alcohols, Tests for carbonyls
- Question 5 · 8 marks · Organic formulas and naming, Combustion, halogenation and sodium, Nucleophilic substitution reactions, Nitriles and hydroxynitriles, Infrared spectroscopy
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.