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The standard reduction potential for Fe...

The standard reduction potential for `Fe^(2+)//Fe` and `Sn^(2+)//Sn` electrodes are -0.44 and -0.14 V respecitvely for the cell reaction
`Fe^(2+)+SnrarrFe+Sn^(2+)` the standard emf is

A

`+0.30 V`

B

`+0.58 V`

C

`+0.58 V`

D

`-0.30 V`

Text Solution

Verified by Experts

The correct Answer is:
B
`E_("cell")^(@)=E_("oxi")^(@)("Sn")+ E_("red")^(@)(Fe)`
`=+0.14 +(-0.44) =- 0.30 V`
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