The equation 3MnO 4 2 – + 4H + → 2MnO 4 – + MnO 2 + 2H 2 O represents

Chemistry · Class 12 · CBSE — The d- and f-Block Elements

1. reduction
2. disproportionation
3. oxidation in acidic medium
4. reduction in acidic medium.

Answer

(B) disproportionation

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