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Efficiency of a cell reaction under stan...

Efficiency of a cell reaction under standard conditions,
`A_((s)) + B^(+) rarr A^(+) + B_(s), DeltaH^(@) = -300 kJ`
is `70%`. The standard electrode potential of cell is :

A

2.176 V

B

+2.876 V

C

1.248V

D

+1.648 V

Text Solution

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(D) `2CH_3COO^(-) rarr C_2H_6+2CO_2+2e` ,
Cathode : `2H^+` + 2e `rarr H_2`
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