AQA A-Level Chemistry AS Paper 1, June 2022
Every question from AQA A-Level Chemistry AS Paper 1, June 2022 (7404): 23 questions, 80 marks, each with its mark scheme and topic.
- Question 1 5 marks
Explain trends in first and successive ionisation energies of Group 2 elements and write an equation for the third ionisation energy of magnesium.
Physical Chemistry · Inorganic Chemistry · 3.1.1 Atomic Structure · 3.2.2 Group 2, The Alkaline Earth Metals
- Question 2 14 marks
Describe standard solution preparation, calculate concentration, identify and correct practical errors in a titration procedure, determine a mean titre, and calculate percentage uncertainty.
Physical Chemistry · Required Practicals · 3.1.2 Amount of Substance · 3.1.12 Acids and Bases · Required Practical 1: Making up a volumetric solution
- Question 3 3 marks
Draw the shapes of AsF5 and KrF2 including relevant lone pairs, and deduce the bond angles in AsF5.
Physical Chemistry · 3.1.3 Bonding
- Question 4 10 marks
Explain bonding concepts including drawing hydrogen bonding between ethanol and ammonia, defining electronegativity, and comparing intermolecular forces in halomethanes.
Physical Chemistry · 3.1.3 Bonding
- Question 5 5 marks
Calculate the mass of a 121Sb+ ion in kg and determine the time of flight for a 123Sb+ ion in a time of flight mass spectrometer.
Physical Chemistry · 3.1.1 Atomic Structure · 3.1.2 Amount of Substance
- Question 6 5 marks
Define an oxidising agent, construct oxidation and reduction half-equations for the reaction of iodate(V) ions with iodide, and write equations for the redox reaction of iodide with concentrated sulfuric acid.
Physical Chemistry · Inorganic Chemistry · 3.1.7 Oxidation, Reduction and Redox Equations · 3.2.3 Group 7(17), The Halogens
- Question 7 13 marks
Apply Le Chatelier's principle to interpret equilibrium yield curves and calculate equilibrium amounts and reverse reaction constants using Kc.
Physical Chemistry · 3.1.6 Chemical Equilibria, Le Chatelier's Principle and Kc
- Question 8 10 marks
Identify ions and gases through qualitative test-tube observations and experimental procedures for halide and ammonium tests.
Inorganic Chemistry · Required Practicals · 3.2.3 Group 7(17), The Halogens · 3.2.2 Group 2, The Alkaline Earth Metals · Required Practical 4: Carry out simple test-tube reactions to identify Cations and Anions
- Question 9 1 mark
Identify which atom has two more protons and two more neutrons than chromium-52.
Physical Chemistry · 3.1.1 Atomic Structure
- Question 10 1 mark
Identify which atom in its ground state contains only two unpaired electrons.
Physical Chemistry · 3.1.1 Atomic Structure
- Question 11 1 mark
Identify an element given its first six ionisation energies.
Physical Chemistry · 3.1.1 Atomic Structure
- Question 12 1 mark
Identify which pair has an atom Y with a greater first ionisation energy than atom X based on their electron configurations.
Physical Chemistry · 3.1.1 Atomic Structure
- Question 13 1 mark
Identify which statement about isotopes of an element is not correct.
Physical Chemistry · 3.1.1 Atomic Structure
- Question 14 1 mark
Determine the empirical formula of a molybdenum oxide given that 5.0 g of the oxide contains 4.0 g of molybdenum.
Physical Chemistry · 3.1.2 Amount of Substance
- Question 15 1 mark
Identify the type of interaction formed in the reaction between arsine (AsH3) and a proton (H+) to form AsH4+.
Physical Chemistry · 3.1.3 Bonding
- Question 16 1 mark
Identify the correct trend down Group 7 from fluorine to iodine.
Inorganic Chemistry · 3.2.3 Group 7(17), The Halogens
- Question 17 1 mark
Identify which of the given isoelectronic ions (S²⁻, Cl⁻, K⁺, Ca²⁺) has the largest ionic radius.
Inorganic Chemistry · Physical Chemistry · 3.2.1 Periodicity · 3.1.1 Atomic Structure
- Question 18 1 mark
Identify which statement regarding the redox reactions of halogens and halide ions is correct.
Inorganic Chemistry · Physical Chemistry · 3.2.3 Group 7(17), The Halogens · 3.1.7 Oxidation, Reduction and Redox Equations
- Question 19 1 mark
Identify which given substance contains oxygen in the highest oxidation state.
Physical Chemistry · 3.1.7 Oxidation, Reduction and Redox Equations
- Question 20 1 mark
Identify which block of the Periodic Table contains the element samarium (Sm).
Inorganic Chemistry · 3.2.1 Periodicity
- Question 21 1 mark
Identify which species is not a possible product of the reactions between chlorine and water.
Inorganic Chemistry · 3.2.3 Group 7(17), The Halogens
- Question 22 1 mark
Identify the correct statement about the properties and reactions of magnesium and its compounds.
Inorganic Chemistry · 3.2.2 Group 2, The Alkaline Earth Metals · 3.2.1 Periodicity
- Question 23 1 mark
Identify which species or electrons are not responsible for conducting electricity.
Physical Chemistry · 3.1.3 Bonding