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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

`+1.83 V`

B

`+1.19 V`

C

`+0.89 V`

D

`+0.18 V`

Text Solution

Verified by Experts

The correct Answer is:
C
`E_("cell")^(@) = E_("cathode")^(@) - E_("anode")^(@)`
`=0.15 - (-0.74) = +0.89 V`
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