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Electrochemistry Balancing Redox Reactions by Ion-Electron Method

1

Choose the best answer

For the reduction half-reaction MnO₄⁻ → Mn²⁺ in acidic medium, the number and position of electrons are:

Verified Answer & Explanation⌄

Correct Answer: B) 5e⁻ on the left

Concept Explanation

Mn decreases from +7 to +2 and therefore gains 5 electrons during reduction.

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