Q14 · CSIR NET Chemistry, December 2017
Paper: CSIR NET December 2017 · Subject: Organic Chemistry · Chapter: Reagents, Reaction Mechanisms & Named Reactions · Topic: Named Reactions · Marks: 2 · Difficulty: Medium
The kinetic product formed in the following reaction is:

(a)

(b)
(c)

(d)

Answer
Answer: D ✓ checked by 4AB · confidence high
Explanation
Kinetic sulfonation of 2-naphthol occurs at the activated α-position (C-1, ortho to OH) giving 2-hydroxynaphthalene-1-sulfonic acid (d); the 6-sulfonic acid (c) is the thermodynamic product.
Study loop for Reagents, Reaction Mechanisms & Named Reactions