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Zn(s)|Zn(CN)4^(2-)(0.5M),CN^(-)(0.01)"||...

`Zn(s)|Zn(CN)_4^(2-)(0.5M),CN^(-)(0.01)"||"Cu(NH_3)_4^(2+)(0.5M),NH_3(1M)|Cu(s)` Given: `K_f "of"Zn(CN)_4^(-2)=10^(16)` , `K_f"of"Cu(NH_3)_4^(2+)=10^(12)`,
`E_(Zn|Zn^(2+))^(@)=0.76V,E_(Cu^(+2)|Cu)^(@)=0.34V , (2.303RT)/F=0.06`
The emf of above cell is :

A

1.22V

B

1.10V

C

0.98V

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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