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How many faraday are required to reduce ...

How many faraday are required to reduce one mol of `MnO_(4)^(-)` to `Mn^(2+)`:

A

4

B

5

C

3

D

2

Text Solution

Verified by Experts

The correct Answer is:
B

`Mn^(7+) + 5e^(-) to Mn^(2+)`,
Thus 5 mole electron = 5 Faraday .
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