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In a galvanic cell, the given cell - rea...

In a galvanic cell, the given cell - reaction takes place -
`Cd(s)+NiO_(2)(s)+2H_(2)O(l)rarr Cd (OH)_(2)(s)+Ni(OH)_(2)(s)`
The standard potentials of the half- cell reactions are -
(1) `Cd(OH)_(2)(s)+2e rarr Cd(s)+2OH^(-)(aq),E^(@)=-0.81V`
(2) `NiO_(2)(s)+2H_(2)O(l)+2e rarr Ni(OH)_(2)(s)+2OH^(-)(aq), E^(@)=+0.50V`. The standard potential of the cell is -

A

`-0.31`

B

`+0.52`

C

`+0.46`

D

`+0.46V`

Text Solution

Verified by Experts

The correct Answer is:
B
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