Which of the following represents a disproportionation reaction? A)Br₂(l)+ H₂O(l)→ HOBr(aq)+ Br^-(aq)+ H⁺(aq) B)S(s)+ SO₂(g)+ H₂O(l)→ S₂O₃^2-(aq)+ 2 H⁺(aq) C)HOCl(aq)+ OH^-(aq)→ H₂O(l)+ OCl^-(aq) D)3 S^2-(aq)+ 2 CrO₄^2-(aq)+ 8 H₂O(l)→ 3 S(s)+ 2 Cr(OH)₃(s)+ 10 OH^-(aq) E)HF(aq)→ H⁺(aq)+ F^-(aq)

Question

Quizplus · Accepted Answer

In choice A, bromine undergoes both oxidation and reduction (from $Br^0$ to $HOBr$ and $Br^-$, respectively), which is characteristic of a disproportionation reaction.

Which of the Following Represents a Disproportionation Reaction