Standard electrode potentials of Fe2- - 2e- - Fe and Fe3- - 3e- - Fe are - 0-440 V and -0-036V respectively- The standard electrode potential Eo for Fe3- - e- - Fe2- is-

The correct option is D +0.772 V Fe^2+ + 2e^ → Fe #160; #160; #160; E^0_1 = 0.440V #160; #160;......(1) Fe^3+ + 3e^ → Fe ...

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Gibb's Energy and Nernst Equation

Standard elec...

Question

Standard electrode potentials of $F e^{2 +} + 2 e^{-} \to F e$ and $F e^{3 +} + 3 e^{-} \to F e$ are $- 0.440 V$ and $- 0.036 V$ respectively. The standard electrode potential $(E^{o})$ for $F e^{3 +} + e^{-} \to F e^{2 +}$ is:

- 0.476 V

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- 0.404 V

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+ 0.404 V

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+ 0.772 V

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Solution

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Similar questions

F e^{2 +} + 2 e^{-}

⟶

F e; E^{o} = - 0.440 V

F e^{3 +} + 3 e^{-}

⟶

F e; E^{o} = - 0.036 V

(E^{o}

F e^{3 +} + e^{-}

\to

F e^{2 +}

F e^{2 +} + 2 e^{-} \to F e

F e^{3 +} + 3 e^{-} \to F e

- 0.440 V

- 0.036 V

E^{0}

F e^{3 +} + e^{-} \to F e^{2 +}

Given standard electrode potentials:

$F e^{3 +} + 3 e^{-} \to F e; E^{0} = - 0.036 V$

$F e^{2 +} + 2 e^{-} \to F e; E^{0} = - 0.440 V$

The standard electrode potential $E^{o}$ for $F e^{3 +} + e^{-} \to F e^{2 +}$ is:

F e^{2} + 2 e^{-} \to F e, E^{\circ} = - 0.440 V

F e^{3 +} + 3 e^{-} \to F e, E^{\circ} = - 0.036 V

(E^{\circ})

F e^{3 +} + e^{-} \to F e^{2 +}

{F e}^{3 +} + {3 e}^{-} ⟶ F e; E^{o} = - 0.036 v o l t

{F e}^{2 +} + {2 e}^{-} ⟶ F e; E^{o} = - 0.440 v o l t

E^{o}

{F e}^{3 +} + e^{-} ⟶ {F e}^{2 +}

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