JEE Advanced Chemistry question

ChemistryRedox ReactionsJEE Advanced

(1 mol) in neutral aqueous medium disproportionates to

Answer: (A)

Solution

The disproportionation 3MnO_4^{2-} + 2H_2O \rightarrow 2MnO_4^- + MnO_2 + 4OH^- shows that 3 mol of manganate gives 2 mol

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Question ID VK-159824