Why is raction favorable 2fe3+ +2i- = i2 + 2fe2+

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2 {F e}^{3 +} (a q) + 2 I^{⊖} (a q) ⟶ I_{2} (a q) + 2 {F e}^{2 +} (a q)

2 F e_{(a q)}^{3 +} + 2 I_{(a q)}^{-} \to 2 F e_{(a q)}^{2 +} + I_{2 (s)}

E_{c e l l}^{o} = 0.236 V

298 K

2 {F e}^{3 +} (a q) + 2 I^{⊖} (a q) ⟶ I_{2} (a q) + 2 {F e}^{2 +} (a q)

2 F e^{3 +} (a q) + 2 I^{-} (a q) \to 2 F e^{2 +} (a q) + I_{2} (s)

E_{c e l l}^{\circ} = 0.236 V

298 K

1 F = 96, 500 C m o l^{- 1})

298 K

1 \times 10^{8}

2 F e^{3 +} (a q .) + 2 I^{-} (a q .) ⇌ 2 F e^{2 +} (a q .) + I_{2} (s)

+ 0.54 V

F e^{3 +} / F e^{2 +}

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