Which reaction has positive value of ΔG° ? | Reaction Mechanism — Chem-Mantra | Chem-Mantra

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Question

Which reaction has positive value of ΔG° ?

Answer: D

💡 Solution & Explanation

I2 + H2O -R.T.-> 2HI + 1/2 O2. ΔG of this reaction is positive, hence oxidation of I^-(aq.) into I2 by H2O is not feasible.

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