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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")^(@)-E_("anode")^(@)`
`=+0.15-(-0.74)+0.89V`
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