Kelvi

Which of the following reactions are disproportionation reactions?

Column I	Column II
(a)	$2Cu^+ \rightarrow Cu + Cu^{2+}$
(b)	$4MnO_4^- + 4H^+ \rightarrow 3MnO_4^{2-} + MnO_2 + 2H_2O$
(c)	$2KMnO_4 \rightarrow K_2MnO_4 + MnO_2 + O_2$
(d)	$2MnO_4^- + 3Mn^{2+} + 2H_2O \rightarrow 5MnO_2 + 4H^+$

medium

RedoxReactions

2019

chemistry

Explanation

To determine which reactions are disproportionation reactions, we need to understand the concept of disproportionation. $\\$ A disproportionation reaction is a type of redox reaction in which a single substance is simultaneously oxidized and reduced, forming two different products. $\\$ Let's analyze each option to identify if it is a disproportionation reaction: $\\$ Option 1: Consider the reaction A $\rightarrow$ B $+$ C $. \\$

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