The correct statement about the oxidising power of in different media is:

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The correct statement about the oxidising power of  in different media is:

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reduction in different media:

| Medium | Reduction product | Mn O.S. change |  (V) |
|--------|------------------|----------------|----------|
| Acidic |  | +7 → +2 (5e⁻) | +1.51 |
| Neutral |  | +7 → +4 (3e⁻) | +0.59 |
| Basic |  | +7 → +6 (1e⁻) | +0.56 |

Acidic medium has the highest reduction potential (+1.51 V) → strongest oxidising power.

In acidic medium, Mn is reduced from +7 all the way to +2 (gain of 5 electrons), releasing the most energy and making it the strongest oxidiser.

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