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Standard electrode potential of two half...

Standard electrode potential of two half-reactions are given below:
`Fe^(2+)iffFe , E^(@)=-0.44V`
`Fe^(3+)iffFe^(2+) , E^(@)=+0.77V`
If `Fe^(2+) , Fe^(3+)` and fe are kept together:

A

`Fe^(3+)` increases

B

`Fe^(3+)` decreases

C

`Fe^(2+)` increases

D

`Fe^(2+)` decreases

Text Solution

Verified by Experts

The correct Answer is:
B, C
`Fe^(2+)+Fe^(2+)toFe^(3+)+Fe` (non spontaneous)
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