1.

If E_(1 )^(0)is standard electrode potential for Fe//Fe^(+2) ,E_(2)^(0) is for Fe^(+2)//Fe^Fe^(+3) and E_(3)^(0)is for Fe// Fe^(+3)then the relation between E_(1)^(0), E_(2)^(0) and E_(3)^(0)will be :

Answer»

`E_(3)^(0) = E_(1) ^(0) + E_(2)^(0)`
`E_(3) ^(0) = (E_(1) ^(0) + E_(2) ^(0))/3`
`E_(3)^(0) = (2E_(1)^(0) +E_(2)^(0))/3 `
`E_(3)^(0) = (E_(1)^(0)+2E_(2)^(0))/3`

Answer :C


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