The conjugate base of a strong acid is a

The dissociation constants of two acids $HY$ and $HZ$ are $2.88 \times 10^{-4}$ and $1.8 \times 10^{-5}$ respectively. The relative strength of the acids will be :-

Select the reaction which will be favoured in the forward direction.

Provide one example each of an acid,a base,and a salt that are available in nature.

$A$ conjugate acid-base pair differs by

The conjugate base of $H_2PO_4^-$ is