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The quantity of electricity required to ...

The quantity of electricity required to reduce 0.5 mole of `(MnO_(4))^(1-) to Mn^(2+)` is

A

`1.5 xx 10^5`

B

`2.4 xx 10^5`

C

`3.4 xx 10^5`

D

`5.1 xx 10^5`

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