9701/21/M/J/21 · Chemistry May/June 2021 Paper 21
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 10 marks · Relative masses of atoms and molecules, Formulas, Reacting masses and yield, Thermal decomposition
- Question 2 · 11 marks · Covalent and dative bonding, Intermolecular forces, Gases and pV = nRT
- Question 3 · 8 marks · Some reactions of the halide ions
- Question 4 · 9 marks · Oxidation and reduction, Physical properties of the Group 17 elements, Rate of reaction, Temperature and activation energy, Dot-and-cross diagrams
- Question 5 · 10 marks · Organic formulas and naming, Alkanes, Carboxylic acids, Addition polymers and the bromine test, Addition polymerisation
- Question 6 · 12 marks · Electrophilic addition, Shapes of organic molecules; σ and π bonds, Addition polymers and the bromine test, Elimination
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.