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Reduction of the metal centre in aqueous...

Reduction of the metal centre in aqueous permanganate ion involves

A

3 electrons in neutral medium

B

5 electrons in neutral medium

C

3 electrons in alkaline medium

D

5 electrons in acidic medium

Text Solution

Verified by Experts

The correct Answer is:
A, D
Acidic medium: `MnO_(4)^(-)+8H^(-)+5e^(-) to Mn^(2+)+4H_(2)O`
Neutral medium: `MnO_(4)^(-)+4H^(-)+3e^(-) to MnO_(2)+2H_(2)O`
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