AQA A-Level Chemistry Paper 1, 2022
Every question from AQA A-Level Chemistry Paper 1, 2022: 8 questions, 105 marks, each with its mark scheme and topic.
- Question 1 12 marks
State the features of dynamic equilibrium, deduce the relationship between gaseous moles from pressure effects, and perform calculations involving mole fractions, partial pressures, and the equilibrium constant Kp.
Physical Chemistry · 3.1.6 Chemical Equilibria, Le Chatelier's Principle and Kc · 3.1.10 Equilibrium Constant Kp · 3.1.2 Amount of Substance
- Question 2 12 marks
Define relative atomic mass, calculate an unknown isotopic mass, explain isotope chemical reactivity, perform a TOF mass spectrometry flight time calculation, and describe ion detection.
Physical Chemistry · 3.1.1 Atomic Structure · 3.1.2 Amount of Substance
- Question 3 17 marks
Perform redox titration calculations, ideal gas law calculations, and bond enthalpy determinations involving hydrogen peroxide.
Physical Chemistry · Inorganic Chemistry · 3.1.2 Amount of Substance · 3.1.4 Energetics · 3.1.7 Oxidation, Reduction and Redox Equations · 3.2.5 Transition Metals
- Question 4 16 marks
Calculate pH values of weak acid, strong base, and buffer solutions, explain neutralisation volumes at different temperatures, and describe buffer action.
Physical Chemistry · 3.1.12 Acids and Bases · 3.1.2 Amount of Substance
- Question 5 15 marks
Answer questions on the properties and reactions of Period 3 elements and their compounds, including distinguishing solutions of sulfur oxides, mass spectrometry of phosphorus, and explaining differences in melting points based on structure and bonding.
Inorganic Chemistry · Physical Chemistry · 3.2.4 Properties of Period 3 Elements and Their Oxides · 3.1.3 Bonding · 3.2.2 Group 2, The Alkaline Earth Metals · 3.1.1 Atomic Structure
- Question 6 15 marks
Answer questions on the properties and reactions of Group 7 elements, including redox reactions of chlorine, halide displacements, reduction of sulfuric acid by iodide, halide identification, the shape and bond angle of ClF₂⁺, and titanium extraction.
Inorganic Chemistry · Physical Chemistry · 3.2.3 Group 7(17), The Halogens · 3.2.2 Group 2, The Alkaline Earth Metals · 3.1.3 Bonding · 3.1.7 Oxidation, Reduction and Redox Equations
- Question 7 12 marks
Explain the origin of colour in copper(II) complexes, calculate the frequency of light absorbed, state factors altering complex colour, and determine products/equations for copper ligand substitutions.
Inorganic Chemistry · 3.2.5 Transition Metals
- Question 8 6 marks
Answer questions on commercial electrochemical cells including non-rechargeable cells, rechargeable silver-zinc cells, and hydrogen-oxygen fuel cells.
Physical Chemistry · 3.1.11 Electrode Potentials