9701/21/M/J/19 · Chemistry May/June 2019 Paper 21
5 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 12 marks · Ionisation energy, Group 2 metal reactions, Group 2 trends and solubility, Group 2 oxides, hydroxides and carbonates, Formulas
- Question 2 · 15 marks · Dot-and-cross diagrams, Formulas, Structure and properties, Intermolecular forces, Covalent and dative bonding, Period 3 oxides and hydroxides
- Question 3 · 11 marks · Ionisation energy, Electrons, energy levels and atomic orbitals, Gases and pV = nRT, The mole and the Avogadro constant
- Question 4 · 15 marks · Organic formulas and naming, Shapes of organic molecules; σ and π bonds, Oxidising alkenes, Oxidising alcohols, Tests for carbonyls
- Question 5 · 7 marks · Characteristic organic reactions, Optical isomerism, Nitriles and hydroxynitriles
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.