Efficiency of the following cell is 84%. A(s)+B2+(aq.)⇌A2+(aq.)+B(s);△H=−285kJ Then the standard electrode potential of the cell will be___________.
A
1.20V
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B
2.40V
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C
1.10V
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D
1.74V
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Solution
The correct option is D1.74V Efficiency of cell = 84%
so, the total energy that has to be produced = 28584∗100