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The charge required for the reduction of...

The charge required for the reduction of 1 mole of `Cr_(2)O_(7)^(2-)` ions to `Cr^(3+)` is

A

5

B

3

C

6

D

2

Text Solution

Verified by Experts

The correct Answer is:
C
`Cr_2O_7^(2-) + 14 H^(+) + 6e^(-) to 2Cr^(3+) + 7H_2O`
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