Question

Which of the following reactions are disproportionation reactions?
(i) $Cu^+ \rightarrow Cu^{2+} + Cu$
(ii) $3MnO_4^- + 4H^+ \rightarrow 2MnO_4^- + MnO_2 + 2H_2O$
(iii) $2KMnO_4 \rightarrow K_2MnO_4 + MnO_2 + O_2$
(iv) $2MnO_4^- + 3Mn^{2+} + 2H_2O \rightarrow 5MnO_2 + 4H^+$
(a) (i)
(b) (i), (ii) and (iii)
(c) (ii), (iii) and (iv)
(d) (i) and (iv)

Answer 1

C IS CORRECT ANSWER.........

Answer 2

${\huge {\mathfrak {Answer :-}}}$

➡️ Option (C)

That's it..