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Electrochemistry Electron Transfer and Oxidation Number Change

1

Choose the best answer

Which change involves transfer of five electrons per metal atom?

Verified Answer & Explanation⌄

Correct Answer: C) MnO₄⁻ → Mn²⁺

Concept Explanation

Mn changes from +7 in MnO₄⁻ to +2 in Mn²⁺, so it gains 5 electrons.

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