Question

Basicity of acetic acid is:

• A. 4
• B. 3
• C. 1
• D. 2

Answer 1

The correct option is C 1

Basicity of an acid is a number ionizable $H^{+}$ present in an acid.

$C{H}_3-COOH⟶C{H}_{3}CO{O}^{-}+H^{+}$

Acetic acid has only one ionizable $H^{+}$ ion, thus its basicity is 1.