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The equilibrium constant of the followin...

The equilibrium constant of the following redox reaction is 298K is `1xx10^8`
`2Fe^(3+)(aq)+2I^-(aq)Leftrightarrow2Fe^(2+)(aq)+I_2(s)`
If the standard reduction potential of iodine becoming iodide is +0.54V, what is the standard reduction potential of `Fe^(3+)/Fe^(2+)`?

A

`+1.006V`

B

`-1.006V`

C

`+0.77V`

D

`-0.77V`

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