When white phosphorus reacts with caustic soda $(NaOH)$,$PH_3$ and $NaH_2PO_2$ are formed. This reaction is an example of what?

Which of the following are disproportionation reactions?
$(A)$ $Cl_2 + 2 NaOH \rightarrow NaCl + NaOCl + H_2O$
$(B)$ $2 H_2O_2 \rightarrow 2 H_2O + O_2$
$(C)$ $2 KMnO_4 \rightarrow K_2MnO_4 + MnO_2 + O_2$
$(D)$ $3 MnO_4^{2-} + 4 H^+ \rightarrow 2 MnO_4^- + MnO_2 + 2 H_2O$

$3ClO_{(aq)}^{-} \to ClO_{3(aq)}^{-} + 2Cl_{(aq)}^{-}$ : This reaction is an example of what?

Which ion undergoes disproportionation in an aqueous solution?

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

What is the equivalent weight of $H_3PO_3$ in the following disproportionation reaction?
$4H_3PO_3 \rightarrow 3H_3PO_4 + PH_3$