Given below are the half-cell reactions: Mn2+ + 2e- $\to$ Mn; Eo = -1.18 V 2(Mn3+ + e- $\to$ Mn2+); Eo = +1.51 V The Eo for 3Mn2+ $\to$ Mn + 2Mn3+ will be :

Question

Given below are the half-cell reactions:

Mn²⁺ + 2e^- $\to$ Mn; E^o = -1.18 V

2(Mn³⁺ + e^- $\to$ Mn²⁺); E^o = +1.51 V

The E^o for 3Mn²⁺ $\to$ Mn + 2Mn³⁺ will be :

– 0.33 V; the reaction will not occur

– 0.33 V; the reaction will occur

– 2.69 V; the reaction will not occur

– 2.69 V; the reaction will occur

Solution

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