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Electrochemistry Electron Transfer and Oxidation Number Change

1

Choose the best answer

Which change involves transfer of two electrons per metal atom?

Verified Answer & Explanation⌄

Correct Answer: A) MnO₄²⁻ → MnO₂

Concept Explanation

Mn changes from +6 in MnO₄²⁻ to +4 in MnO₂, so it gains 2 electrons.

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