$I^{-}$	$ClO_{4}^{-}$	$NO_{2}$	$HNO_{2}$	$Cu^{+2}$	$Cu^{+}$
$(A)$	$(B)$	$(C)$	$(D)$	$(E)$	$(F)$

Which of the following species can undergo disproportionation?

Refer to the periodic table and answer the following questions:
$(a)$ Select the possible non-metals that can show disproportionation reaction.
$(b)$ Select three metals that can show disproportionation reaction.

What sorts of information can you draw from the following reaction?
$(CN)_{2}(g) + 2OH^{-}(aq) \rightarrow CN^{-}(aq) + CNO^{-}(aq) + H_{2}O(l)$

The reaction $H_3PO_2 \xrightarrow{\Delta} (X) + PH_3$ is a:

The reaction of $ClO_2$ with $NaOH$ gives a mixture of ..........

Which of the following reactions are disproportionation reactions?
$(A)$ $2 Cu^{+} \rightarrow Cu^{2+} + Cu$
$(B)$ $3 MnO_4^{2-} + 4 H^{+} \rightarrow 2 MnO_4^{-} + MnO_2 + 2 H_2 O$
$(C)$ $2 KMnO_4 \rightarrow K_2 MnO_4 + MnO_2 + O_2$
$(D)$ $2 MnO_4^{-} + 3 Mn^{2+} + 2 H_2 O \rightarrow 5 MnO_2 + 4 H^{+}$
Choose the correct answer from the options given below: