Coupling 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: NCERT Class 12 Chemistry Part 2, Unit 9 'Amines'_
Related questions
Iodobenzene is obtained by treating the diazonium salt with:Introducing halogen using copper powder and a halogen acid is the:Replacing the diazo group by chlorine using a copper one salt is the:Benzenediazonium chloride is made from aniline and nitrous acid at:Aniline fails to undergo the Friedel-Crafts reaction because it:Aniline heated with sulphuric acid finally yields:The activating power of the amino group is curbed by:Aniline with bromine water at room temperature gives: