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Which Nernst equation is true to find ou...

Which Nernst equation is true to find out the potential of non-standard electro- chemical cell from the following ?
`Fe_((s))//Fe_((aq .X.M))^(2+) // // I_((aq))^(-) // I_(2(s)) // Pt `

A

` E_("cell")= E_("cell")^(@) - ( 0.0592 )/(n) log_(10) [Fe^(2+) ][I^(-)]^2`

B

` E_("cell")= E_("cell")^(@) - ( 0.592 )/(n) log_(10) [Fe^(2+) ][I^(-)]^2`

C

` E_("cell")= E_("cell")^(@) - ( 0.0592 )/(n) log_(10) ""([Fe^(2+) ][I^(-)]^2)/( [Fe][I_2])`

D

` E_("cell")= E_("cell")^(@) - ( 0.0592 )/(n) log_(10) [Fe^(2+) ][I^(-)]`

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