Q .     Given standard electrode potentials

`Fe^2: + 2e^(-) ->Fe`; ` E° = - 0.440 V`

`Fe^(3+) + 3e^(-) -> Fe`; ` E° = - 0.036 V`

The standard electrode potential `(E°)` for

`Fe^(3+) + e^(-) -> Fe^(2+)` is:

BITSAT 2007
A

`+ 0.772` V

B

`- 0.772` V

C

`+ 0.417` V

D

`- 0.414` V

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