9701/21/M/J/17 · Chemistry May/June 2017 Paper 21
4 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 10 marks · Relative masses of atoms and molecules, Gas volumes, Formulas, Structural isomerism, Gases and pV = nRT
- Question 2 · 15 marks · Lattice structures, Intermolecular forces, Structure and properties, Enthalpy change definitions
- Question 3 · 16 marks · Chemical periodicity of other elements, Ionisation energy, Group 2 trends and solubility, Physical properties of the Group 17 elements, Particles in the atom and atomic radius, Group 2 metal reactions, Thermal decomposition, Group 2 oxides, hydroxides and carbonates
- Question 4 · 19 marks · Structural isomerism, Covalent and dative bonding, Shapes of organic molecules; σ and π bonds, Oxidising alkenes, Addition polymers and the bromine test, Electrophilic addition, Tests for carbonyls, Optical isomerism, Reduction and nucleophilic addition
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.