Question

Conjugate acid of $HF$ is

• A. $H_2{F}^{+}$
• B. $F^{-}$
• C. $F_2$
• D. $H^{+}$

Answer 1

The correct option is A

$H_2{F}^{+}$

Bronstead Lowry theory states that a conjugate acid is a species formed by the reception of a proton by a base. Alternatively, it can be understood as a base with a hydrogen attached to it.

Acid + Base ⇌ Conjugate Base + Conjugate Acid