$A$ conjugate acid-base pair differs by

State the Lewis acid-base principle.

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 :-

Which of the following is a set of amphiprotic species?

The species among the following,which can act as an acid and a base is

$A$ substance containing hydrogen and releasing $H^{+}$ in aqueous medium is an acid. Identify the theory suggesting this concept from the following.