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If E^(@) for the reaction, Zn+2Ag^(+)(...

If `E^(@)` for the reaction,
`Zn+2Ag^(+)(1M)hArr Zn^(2+)(1M)+2Ag` is
1.56V, then e.m.f. for the cell reaction :
`1//2 Zn+Ag^(+)(1M) hArr 1//2 Zn^(2+)(1M)+Ag` is :

A

0.78 V

B

3.12 V

C

1.56 V

D

`sqrt(1.56 V)`

Text Solution

Verified by Experts

The correct Answer is:
C
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