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The charge for the reduction of 1 mole o...

The charge for the reduction of 1 mole of `Cr_2O_7^(2-)` ions to `Cr^(3+)` is :

A

`96500 C`

B

`2 xx 96500 C`

C

`3 xx 96500 C`

D

`6 xx 96500 C`

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