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

Question

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

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`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - 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`

5 views Answered 2023-02-05 15:29