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प्रश्न
Illustrate the following reaction by giving one suitable example:
Coupling reaction
टीपा लिहा
उत्तर
A coupling reaction occurs when diazonium salt reacts with phenols and aromatic amines to produce azo compounds with the general formula Ar − N = N − Ar. The reaction with phenol happens in a moderately alkaline medium, whereas the reaction with amines occurs in a faintly acidic environment.
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Properties of Diazonium Salts
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