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Standard electrode potential for Sn^(4+)...

Standard electrode potential for `Sn^(4+)//Sn^(2+)` couple is `0.15 V` and that for the `Cr^(3+)//Cr` couple is `-0.74 V`. These two couples in their standard state are connected to make a cell. The cell potential will be

A

`+1.83V`

B

`+1.19V`

C

`0.89V`

D

`0.18V`.

Text Solution

Verified by Experts

The correct Answer is:
C
`E_("cell")^(@)=E_("cathode")^(@)-(-0.76)V=1.10V`
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