alleryCoupling of benzenediazonium chloride with phenol gives:
Ao-hydroxyazobenzene
Bp-hydroxynitrobenzene
Co-hydroxynitrobenzene
Dp-hydroxyazobenzene
Answer & Solution
Correct answer: D. p-hydroxyazobenzene
1. The diazonium ion attacks the phenol ring.
2. It goes to the position para to the hydroxyl group.
3. The coloured product is p-hydroxyazobenzene.
_Source: syllabus Chemistry Part 2, Unit 9 'Amines'_
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