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Chemistry · AQA 7405 · Paper 1 · June 2024

AQA A Level Chemistry Paper 1 June 2024 examiner report (7405/1)

2h 105 marks

Materials
Data booklet

Examiner report

  1. Q1 - 13 marks - Isotopes and relative atomic mass, Moles and amount of substance
  2. Q2 - 10 marks - Amounts of substance in equations, Moles and amount of substance
  3. Q3 - 14 marks - Ligand substitution reactions, Metal-aqua ions in solution, Transition metal catalysts
  4. Q4 - 9 marks - Equilibrium constant Kp, The effect of changing conditions on equilibrium
  5. Q5 - 10 marks - Chlorine, chlorate(I) and water treatment, Group 7: the halogens, Oxidation states, Shapes of molecules and ions
  6. Q6 - 10 marks - Electrode potentials and electrochemical cells, Variable oxidation states of transition metals
  7. Q7 - 8 marks - Moles and amount of substance, pH calculations, The ionic product of water, Kw
  8. Q8 - 14 marks - Born-Haber cycles and lattice enthalpy, Entropy and Gibbs free energy, Period 3 elements and their oxides
  9. Q9 - 17 marks - Amounts of substance in equations, Chemical cells and batteries, Crystal structures and physical properties, Group 2: the alkaline earth metals, The ideal gas equation