plumiRedox reactions of transition metal ions: OCR A‑Level Chemistry A questions
OCR A-Level Chemistry A past-paper questions on 5.3.1.6 Redox reactions of transition metal ions, 2016–2025, with mark schemes and examiner’s reports where available.
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Q22(b)(ii)
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All 10 questions on Redox reactions of transition metal ions, as a list
- June 2022, Paper 1, Q22(b)(ii) (4 marks): Use the information below to explain why the pale green precipitate turns brown when left to stand in air and construct an equation for the reaction which occur
- June 2022, Paper 1, Q22(c) (6 marks): This question is about reactions of transition metal compounds. (c)* This question is about copper and copper compounds. Experiment 1 Hydrochloric acid, HCl (aq
- November 2021, Paper 1, Q18(b) (1 mark): Write an ionic equation, including state symbols, for the reaction in Step 3. [1]
- June 2019, Paper 1, Q18(a)(iv) (1 mark): What is the formula of the ion that causes the yellow colour in Experiment 2, Step 3? [1]
- June 2019, Paper 1, Q18(a)(v) (1 mark): State the colour of the solution that forms in Experiment 2, Step 4. [1]
- June 2019, Paper 3, Q6(a)(iii) (1 mark): Write the equation for the reaction of [Fe(H2O)6]2+(aq) with Cl 2(g). [1]
- June 2018, Paper 1, Q21(c)(ii) (4 marks): Zinc reacts with acidified Cr2O7 Explain why this happens in terms of electrode potentials and equilibria. Include overall equations for the reactions which occ
- June 2018, Paper 1, Q21(d) (6 marks): This question is about some reactions of d block elements and their ions. Table 21.1 shows standard electrode potentials which will be needed within this questi
- June 2017, Paper 1, Q23(a)(i) (5 marks): In the boxes, write down the formulae of the species responsible for the observations. yellow solution Reaction 1 HCl(aq) NH3(aq) [Cu(H2O)6]2+ pale blue solutio
- June 2017, Paper 1, Q23(a)(ii) (2 marks): Name the type of reaction for Reaction 1 and Reaction 2. Reaction 1 Reaction 2 [2]
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