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Given E ^(@)(Cr ^(3+)|Cr)=-0.72V and E ^...

Given `E ^(@)(Cr ^(3+)|Cr)=-0.72V and E ^(@)(Fe ^(2+)|Fe)=-0.42 V. `The potential for the cell
`Cr |Cr ^(3+) (0.1M)||Fe ^(2+) (0.01M) |Fe` is

A

`-0.26 V`

B

`0.26V`

C

`0.339V`

D

`-0.339V`

Text Solution

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The correct Answer is:
B
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