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Number of Faradays required to convert 1...

Number of Faradays required to convert 1 mol of `Cr_(2)O_(7)^(2-)` into `Cr^(3+)` ions is :

A

3F

B

3 coulomb

C

6F

D

`2 xx 6.023 xx 10^(23) e^(-)`

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The correct Answer is:
C
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