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The efficiency of a hypothetical cell is...

The efficiency of a hypothetical cell is about `84%` which involves the following reactions:
`A(s) + B^(2+)(aq) rightarrow A^(2+)(aq) _ B(s)` `DeltaH = -285kJ`
Then, the standard electrode potential of the cell will be: (Asume `DeltaS = 0)

A

1.20V

B

2.40 V

C

1.10 V

D

1.24 V

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The correct Answer is:
D
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