A-LevelChemistryElectrochemistry9701/12 · Feb/Mar 2024 · Q121 Mark

KMnO₄ is an oxidising agent. Its reaction with Fe²⁺ is shown in the following ionic equation. ...X...MnO₄⁻ + ......Fe²⁺ + H⁺ → ......Mn²⁺ + ..Y...Fe³⁺ + ......H₂O What are X and Y when the equation is balanced?

AX: 1, Y: 1

BX: 1, Y: 3

CX: 1, Y: 5

DX: 5, Y: 1

✓ Correct answer

C: X: 1, Y: 5

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Topic: Electrochemistry, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Feb/Mar 2024 Paper 1 Variant 2, question 12.

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