When $H_2S$ is passed through $Hg_2^{2+}$ solution,the products obtained are:

Which is the best description of the behaviour of bromine in the reaction given below $H_2O + Br_2 \to HOBr + HBr$?

Cannizzaro reaction is an example of

The disproportionation of $MnO_{4}^{2-}$ in acidic medium results in the formation of two manganese compounds $A$ and $B$. If the oxidation state of $Mn$ in $B$ is smaller than that of $A$,then the spin-only magnetic moment $(\mu)$ value of $B$ in $BM$ is $.........$ (Nearest integer).

Which one of the following is an example of a disproportionation reaction?

White phosphorus reacts with caustic soda. The products are $PH_3$ and $NaH_2PO_2$. This reaction is an example of