What is the standard reduction potential Eo for Fe3- FeGiven that- Fe2- - 2e6- - Fe- EoFeFe2- Fe - -0-47V Fe3- - e- - Fe2- EoFe3-Fe2- - -0-77V

The correct option is A +0.057V Comparing, #160; G, nF E ^ 0 = n _ 1 F E _ 1 ^ 0 + n _ 2 F E _ 2 ^ 0 3× E ^ 0 =1× 0.77 2× 0.47 E ^ 0 = 0 ...

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Electrode Potential

What is the s...

Question

What is the standard reduction potential $(E^{o})$ for $F e^{3 +} \to F e$
Given that:
$F e^{2 +} + 2 e 6 - \to F e; E_{F}^{o} e_{F e^{2 +} / F e} = - 0.47 V$
$F e^{3 +} + e^{-} \to F e^{2 +}; E_{F e^{3 +} / F e^{2 +}}^{o} = + 0.77 V$

+ 0.057 V

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+ 0.30 V

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- 0.30 V

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- 0.057 V

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Solution

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(E^{o})

F e^{3 +} \to F e

F e^{2 +} + 2 e^{-} \to F e; E_{F e^{2 +} / F e}^{o} = - 0.47 V

F e^{3 +} + e^{-} \to F e^{2 +}; E_{F e^{3} / F e^{2 +}}^{o} = + 0.77 V

{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 +}

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

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

(E^{o})

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

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 +}

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:

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