Q. $HSO_{4}^{-} + OH^{-} \rightarrow SO_{4}^{2 -} + H_{2}O$ Which is correct about conjugate acid base pair?
A) $HSO_{4}^{-}$ is conjugate acid of base $SO_{4}^{2 -}$
B) $HSO_{4}^{-}$ is conjugate base of base $SO_{4}^{2 -}$
C) $SO_{4}^{2 -}$ is conjugate acid of acid $HSO_{4}^{-}$
D) None of the above
Explanation
(a)
The residual part of the acid after removal of a proton from the molecule of an acid, is called its conjugate base. Thus, conjugate base=Acid$- H^{+}$ and a base after accepting a proton gets converted into its conjugate acid.
Thus, $HSO_{4}^{-}$ is conjugate acid of base $SO_{4}^{2 -}$.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.