question_answer

An example of a disproportionation reaction is:          [JEE Main Held on 12-4-2019 Morning]

A) \[2KMn{{O}_{4}}\to {{K}_{2}}Mn{{O}_{4}}+Mn{{O}_{2}}+{{O}_{2}}\]

B) \[2MnO_{4}^{-}+10{{I}^{-}}+16{{H}^{+}}\to 2M{{n}^{2+}}+5{{I}_{2}}+8{{H}_{2}}O\]

C) \[2CuBr\to CuB{{r}_{2}}+Cu\]

D) \[2NaBr+C{{l}_{2}}\to 2NaCl+B{{r}_{2}}\]

Correct Answer: C

Solution :