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

The species that undergo disproportionation in alkaline medium are
$(a) \, Cl_2 \, \, \, (b) \, MnO_4^{2-} \, \, \, (c) \, NO_2 \, \, \, (d) \, ClO_4^{-} $

White $P_4$ reacts with caustic soda,the products are $PH_3$ and $NaH_2PO_2$. This reaction is an example of

Assign $A$,$B$,$C$,$D$ from the given type of reaction.
$P_4 + 3NaOH + 3H_2O \longrightarrow PH_3 + 3NaH_2PO_2$
(Note: The reaction provided is the standard balanced equation for the disproportionation of white phosphorus.)

Total number of species from the following which can undergo disproportionation reaction . . . . . . .
$H_2O_2$,$ClO_3^{-}$,$P_4$,$Cl_2$,$Ag$,$Cu^{+}$,$F_2$,$NO_2$,$K^{+}$

In the reaction $P + NaOH \to PH_3 + NaH_2PO_2$