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If in a galvanic cell, the cell reactio...

If in a galvanic cell, the cell reaction is reversed as
`Cu(s)|Cu^(2+)(aq)||Zn^(+2)(aq)|Zn`
the cell potential will be

A

11.1V

B

`-11.1V`

C

`-1.1V`

D

`1.1V`

Text Solution

Verified by Experts

The correct Answer is:
C
`Cu^(2+)+2e^(-)rarrCu,E^(@)=+0.337V`
`Zn^(2)++2e^(-)rarrZn,E^(@)=-0.763V`
In the cell `Cu|Cu^(2+)||Zn^(2+)||Zn`
`E_("cell")=E_("cathode")^(@)-E_("anode")^(@)`
`=-0.763(+0.337)=-1.10`
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