MCQ ON AROMATIC CARBOXYLIC ACID(BENZOIC ACID)
What is the pKa value of benzoic acid? A) 3.19 B) 4.19 C) 5.19 D) 2.19 Answer: B Explanation: Benzoic acid has a pKa of 4.19, indicating it is a weak acid. Why are aromatic carboxylic acids generally more acidic than aliphatic carboxylic acids? A) Due to +I effect of the alkyl chain B) Resonance […]