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A button cell used in watches functions ...

A button cell used in watches functions as follows :`Zn(s) +Ag_2O(s)+H_2o (l) `Ag_2O(s) +H_2O(l) +2e^- rarr 2Ag(s) +2OH^-(aq),E^@ =0.34 V`
The cell potential will be

A

1.10 V

B

0.42 V

C

0.84 V

D

1.34 V

Text Solution

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The correct Answer is:
A
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