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The standard emf of a galvanic cell invo...

The standard emf of a galvanic cell involving cell reaction with `n = 2` is found to be `0.295 V` at `25^(@)C`. The equilibrium constant of the reaction would be (Given`F=96,500 C mol^(-1), R = 8.314 JK^(-1) mol^(-1)`):

A

`2 xx 10^(11)`

B

`4 xx 10^(12)`

C

`1 xx 10^(2)`

D

`1 xx 10^(2)`

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The correct Answer is:
D
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The standard e.m.f of a cell, involving one electron change is found to be 0.591 V at 25^(@) C . The equilibrium constant of the reaction is : (F=96,500C mol^(-1) : R=8.314 Jk^(-1)mol^(-1)

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