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The charge required for the reduction of...

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

A

96500C

B

`2xx96500C`

C

`3xx96500C`

D

`6xx96500C`.

Text Solution

Verified by Experts

The correct Answer is:
D
`Cr_(2)O_(7)^(2-)+6e^(-)rarr2Cr^(3+)`
Reduction of 1 mol of `Cr_(2)O_(7)^(2-),Cr^(3+)` required 6 m oles of electrons.
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