AQA A Level Chemistry Paper 1 June 2019 mark scheme 7405/1
Materials
Practise the past exam questions by topic
Born-Haber cycles & lattice enthalpy10 Qs
Entropy & Gibbs free energy7 Qs
Isotopes & relative atomic mass13 Qs
Moles & amount of substance27 Qs
Amounts of substance in equations39 Qs
Electronegativity & bond polarity9 Qs
Period 3 elements & their oxides18 Qs
Periodicity & Period 3 trends10 Qs
Ligand substitution reactions11 Qs
Metal-aqua ions in solution12 Qs
Shapes of complex ions16 Qs
Group 7: the halogens17 Qs
Oxidation states23 Qs
Coloured transition metal ions7 Qs
Sub-shells, orbitals & electron configuration16 Qs
Ideal gas equation9 Qs
Variable oxidation states of transition metals13 Qs
Equilibrium constant Kp11 Qs
Intermolecular forces11 Qs
Shapes of molecules & ions18 Qs
Buffer solutions9 Qs
PH calculations9 Qs
PH curves & indicators9 Qs
Ionic product of water, Kw10 Qs
Weak acids & Ka13 Qs
+21 more
9 questions
- Q1 - 9 marks - Born-Haber cycles and lattice enthalpy, Entropy and Gibbs free energy
- Q2 - 10 marks - Isotopes and relative atomic mass, Moles and amount of substance
- Q3 - 7 marks - Amounts of substance in equations, Electronegativity and bond polarity, Period 3 elements and their oxides, Periodicity and Period 3 trends
- Q4 - 14 marks - Ligand substitution reactions, Metal-aqua ions in solution, Shapes of complex ions
- Q5 - 13 marks - Group 7: the halogens, Oxidation states
- Q6 - 16 marks - Coloured transition metal ions, Oxidation states, Sub-shells, orbitals and electron configuration, The ideal gas equation, Variable oxidation states of transition metals
- Q7 - 10 marks - Amounts of substance in equations, Equilibrium constant Kp
- Q8 - 11 marks - Intermolecular forces, Shapes of molecules and ions
- Q9 - 15 marks - Buffer solutions, pH calculations, pH curves and indicators, The ionic product of water, Kw, Weak acids and Ka
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