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A-LevelChemistryElectrochemistry9701/12 · Oct/Nov 2024 · Q111 Mark

Equations for some reactions of hydrogen peroxide are given. 1 2Fe²⁺ + H2O2 + 2H⁺ → 2Fe³⁺ + 2H2O 2 2MnO4⁻ + 5H2O2 + 6H⁺ → 2Mn²⁺ + 8H2O + 5O2 3 2Fe³⁺ + H2O2 + 2OH⁻ → 2Fe²⁺ + O2 + 2H2O In which reactions is hydrogen peroxide acting as a reducing agent?

A1 and 3

B1 only

C2 and 3

D2 only

✓ Correct answer

C: 2 and 3

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About this question

Topic: Electrochemistry, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2024 Paper 1 Variant 2, question 11.

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