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HardChemistryEMF of cell
+4 / -1

For I₂ + 2e⁻ → 2I⁻ E°red = +0.54 V

and 2Br⁻ → Br₂ + 2e⁻ E°ox = +1.09 V

For Fe → Fe²⁺ + 2e⁻ E°ox = +0.44 V

Which reaction is non-spontaneous?

A
Br₂ + 2I⁻ → 2Br⁻ + I₂
B
Fe + Br₂ → Fe²⁺ + 2Br⁻
C
Fe + I₂ → Fe²⁺ + 2I⁻
D
I₂ + 2Br⁻ → 2I⁻ + Br₂

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