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Grade: 12th pass
`        What is the srp for s-2|cus|cu half cell?Given ksp (cus)=10^-35 and E°=0.34v(cu+2/cu)1)1.034V2)1.0V3)-0.694V4).0694V`
2 years ago

## Answers : (1)

Arun
23487 Points
```							Dear Student

One design a cell in which the half cell reaction is
CuS + 2e  ------->. Cu + S2-
So
Cu(s) -------> Cu 2+ + 2e-.      G1
CuS + 2e -----> Cu + S 2-.       G2
Hence
G3 = G1 + G2
Hence SRP = 0.34 + (0.0591/2) log 10-35
= -0.694 V
Hence option 3 is correct.
Regards
Arun (askIITians forum expert)

```
2 years ago
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