If `E_(fe^(2+)//Fe)^(@)` is `x_(1),E_(Fe^(3+)//Fe)^(@), is `x_(2)` then what will be `E_(Fe^(3+)//Fe^(2+))^(@)`

If E^(o)""_(Fe^(+2)//Fe) is x_(1),E^(o)""_(Fe ^(+3)//Fe) is x_(2), then E^(o) ""_(Fe^(+3)//Fe^(2+)) will be :

Given E_(Fe^(3+)//Fe)^(@)=-0.036V and E_(fe^(2+)//Fe)^(@)=-0.44V . What is the value of E_(Fe^(3+)//Fe^(2+))^(@)

If E_(Fe^(2+)//Fe)^(@)=-0.440 V and E_(Fe^(3+)//Fe^(2+))^(@)=0.770 V , then E_(Fe^(3+)//Fe)^(@) is -

What is the standard reduction potential (E^(@)) for Fe^(3+) to Fe ? Given that : Fe^(2+) + 2e^(-) to Fe, E_(Fe^(2+)//Fe)^(@) =-0.47V Fe^(3+) + e^(-) to Fe^(2+), E_(Fe^(3+)//Fe^(2+))^(@) = +0.77V

If E_(Fe^(3+)//Fe)^(@) and E_(Fe^(2+)//Fe)^(@) are -0.36 V and 0.439 V respectively, then value of E_(Fe^(3+)//Fe^(2+))^(@) is