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The emf of the cell involving following ...

The emf of the cell involving following changes `Zn(s)+Ni^(2+)(1M)rarrZn^(2+)(1M)+Ni(s) is 0.5105V`. The standard emf of the cell is :

A

0.540V

B

0.4810V

C

0.5696V

D

0.5105V

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The correct Answer is:
D
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