Question

If acetic acid is mixed with sodium acetate then $H^{+}$ ion concentration will be

• A. increased
• B. decreased
• C. remains unchanged
• D. pH decreased

Answer 1

Answer: (B)

decreased

Answer 2

$CH _{3} COOH \rightleftharpoons CH _{3} COO ^{-}+ H ^{+}$ On adding $CH_{3}COONa,$ due to common ion, $[H^{+}]$ decreases.