Question

Benzoic acid reacts with cone. HNO₃ and HiSO₄ to give:

Options

• 3-Nitrobenzoic acid

• 4-Benzene sulphonic acid

• 4-Nitrobenzoic acid

• 2-Nitrobenzoic acid

Answer 1

3-Nitrobenzoic acid

Explanation:

– COOH group when attached to benzene ring deactivates the ring and substitution occurs at m-position. (HNO₃ + H₂SO₄) is a source of ⁺NO₂ (electrophile) which attacks at m-position.