When $K_2O$ is added to water,the solution becomes basic in nature because it contains a significant concentration of

The strongest Bronsted base among the following anions is:

The conjugate base of $H_{2}PO_{4}^{-}$ is:

In the reaction $NH_4^+ + S^{2-} \rightarrow NH_3 + HS^-$,what are $NH_3$ and $HS^-$ with respect to the $NH_4^+$ and $S^{2-}$ species?

Which of the following acids would have a $STRONGER \ CONJUGATE \ BASE$?
$(A)$ $H_2S$ $(1)$ vs $H_2O$ $(2)$
$(B)$ Glutarimide $(3)$ vs Piperidin$-2-$one $(4)$
$(C)$ $CH_3C \equiv CH$ $(5)$ vs $CH_3CH = CH_2$ $(6)$

In the reaction $HBr + H_2O \rightleftharpoons H_3O^{+} + Br^{-}$,the conjugate base of the weak acid is .......