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Question
Explain the following reaction with a suitable example.
Gatterman reaction
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Solution
In this reaction, arene diazonium salts undergo a nucleophilic substitution reaction. The reaction involves displacement of the diazo group by the – Cl/– Br atom. The reaction can be represented as,
\[\ce{Ar - N^+_2 X- ->[Cu powder][HX] Ar - X + N2 (X = -Cl, -Br)}\]
e.g. Preparation of chlorobenzene from benzene diazonium chloride.
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