Q55 of 77 Page 188

Complete the following reaction.


Benzene diazonium chloride reacts with phenol under mild basic condition to form p-hydroxyazobenzene as the major product. This type of reaction is known as coupling reaction. P- hydroxyazobenzene are often coloured and are used as orange dyes.


The chemical reaction involved in this case is:



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Suggest a route by which the following conversion can be accomplished.