AQA A-Level Chemistry Paper 1, June 2024
Every question from AQA A-Level Chemistry Paper 1, June 2024 (7405): 9 questions, 105 marks, each with its mark scheme and topic.
- Question 1 13 marks
Answer questions on atomic structure, relative atomic mass, electron impact ionisation, and time of flight (TOF) mass spectrometry calculations.
Physical Chemistry · 3.1.1 Atomic Structure · 3.1.2 Amount of Substance
- Question 2 10 marks
Explain experimental steps in determining strontium hydroxide solubility and calculate its solubility using titration data.
Physical Chemistry · Inorganic Chemistry · Required Practicals · 3.1.2 Amount of Substance · 3.2.2 Group 2, The Alkaline Earth Metals · Required Practical 1: Making up a volumetric solution
- Question 3 14 marks
Describe the structure and chelate effect for an iron(III) ethanedioate complex, explain the catalysis of the peroxodisulfate-iodide reaction by iron(II), and give reactions of iron(II) and iron(III) with ammonia and sodium carbonate.
Inorganic Chemistry · Physical Chemistry · 3.2.5 Transition Metals · 3.2.6 Reactions of Ions in Aqueous Solution · 3.1.5 Kinetics
- Question 4 9 marks
Calculate equilibrium mole fractions, write Kp expressions, compute Kp with units, and deduce the effects of temperature and volume changes on gaseous equilibria.
Physical Chemistry · 3.1.10 Equilibrium Constant Kp · 3.1.6 Chemical Equilibria, Le Chatelier's Principle and Kc
- Question 5 10 marks
Deduce equations and redox reactions involving chlorine and chloride compounds, and determine the shapes and bond angles of polyatomic chlorine-containing species.
Inorganic Chemistry · Physical Chemistry · 3.2.3 Group 7(17), The Halogens · 3.1.7 Oxidation, Reduction and Redox Equations · 3.1.3 Bonding
- Question 6 10 marks
Use standard electrode potentials to explain vanadium reduction reactions, construct an electrochemical cell representation and calculate EMF, and determine the percentage purity of ammonium vanadate(V) by redox titration.
Physical Chemistry · Inorganic Chemistry · 3.1.11 Electrode Potentials · 3.1.2 Amount of Substance · 3.2.5 Transition Metals
- Question 7 8 marks
Write the expression for Kw, calculate the pH of pure water at 40 °C, and calculate the pH of a mixture of aqueous sodium hydroxide and hydrochloric acid at 40 °C.
Physical Chemistry · 3.1.12 Acids and Bases · 3.1.2 Amount of Substance
- Question 8 14 marks
Answer questions on thermodynamics, Born–Haber cycles, lattice enthalpy calculations, and feasibility of reactions involving sodium compounds.
Physical Chemistry · Inorganic Chemistry · 3.1.8 Thermodynamics · 3.1.3 Bonding · 3.2.4 Properties of Period 3 Elements and Their Oxides
- Question 9 17 marks
Answer questions on metals and their compounds, including Group 2 trends and reactions, an ideal gas calculation to identify a metal nitrate, bonding in sodium tetrahydroaluminate, and lithium electrochemical cells.
Inorganic Chemistry · Physical Chemistry · 3.1.2 Amount of Substance · 3.1.3 Bonding · 3.1.11 Electrode Potentials · 3.2.2 Group 2, The Alkaline Earth Metals · 3.2.4 Properties of Period 3 Elements and Their Oxides