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

Which of the following reactions is $NOT$ a disproportionation reaction?

The reaction occurring when $Cl_2$ gas is passed through a concentrated solution of $NaOH$ is called .....

Prove that the reaction between fluorine and ice is a disproportionation reaction:
$H_{2}O_{(s)} + F_{2(g)} \to HF_{(g)} + HOF_{(g)}$

Given below are two statements :
Statement $I$: $S_8$ solid undergoes disproportionation reaction under alkaline conditions to form $S^{2-}$ and $S_2O_3^{2-}$.
Statement $II$: $ClO_4^{-}$ can undergo disproportionation reaction under acidic condition.
In the light of the above statements,choose the most appropriate answer from the options given below :

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