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The standard oxidation potential E^(@) ...

The standard oxidation potential `E^(@)` for the half cell reactions are
`Zn rarrZn^(2+)+2e^(-):E^(@)=+0.76V`
`FerarrFe^(2+)+2e^(-)"E^(@)=+0.41V`
EMF of the cell reaction
`Fe^(2+)+ZnrarrZn^(2+)+Fe` will be

A

`-0.35V`

B

`+0.35V`

C

`0.17V`

D

`1.17V`

Text Solution

Verified by Experts

The correct Answer is:
B
Emf of the cell `=E_("cathode")^(@)-E_("anode")^(@)`
`=-0.14-(-0.76)=+0.35`
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