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Questions
What is the action of benzene diazonium chloride on phenol in alkaline medium?
Give a balanced chemical equation for the following reaction:
Phenol is treated with ice cold alkaline solution of benzene diazonium chloride.
Write the reaction between benzene diazonium chloride and phenol in an alkaline medium.
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Solution 1
The reaction of benzenediazonium chloride with phenol in a mild alkaline medium yields p-hydroxyazobenzene (orange dye).

Solution 2
Phenol is treated with ice-cold alkaline solution of benzene diazonium chloride to give an orange-yellow Azo dye (N = N linkage) compound.

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