Categories > electrochemistry > Electrode potential > The standard electrode potential of the half cells are given below $Z{{n}^{2+}}+2{{e}^{-}}\to Zn;\,E=-7.62\,V$, $F{{e}^{2+}}+2{{e}^{-}}\to Fe;\,E=-7.81\,V$ The emf of the cell $F{{e}^{2+}}+Zn\to Z{{n}^{2+}}+Fe$ is

electrochemistry

Question: The standard electrode potential of the half cells are given below $Z{{n}^{2+}}+2{{e}^{-}}\to Zn;\,E=-7.62\,V$, $F{{e}^{2+}}+2{{e}^{-}}\to Fe;\,E=-7.81\,V$ The emf of the cell $F{{e}^{2+}}+Zn\to Z{{n}^{2+}}+Fe$ is


1) 1.54 V
2) – 1.54 V
3) – 0.19 V
4) + 0.19 V
Solution: Explanation: No Explanation
Electrode potential Ecell Nernst equation and ECS

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