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प्रश्न
Explain the following reaction with a suitable example.
Gatterman reaction
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उत्तर
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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संबंधित प्रश्न
Choose the most correct option.
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Answer the following
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\[\ce{C6H5N2Cl ->[(i) HBF4, (ii) NaNO2/Cu][\Delta] X + N2 + NaBF4}\]
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\[\ce{C6H5N^+_2X^- ->[HBF4] A ->[NaNO2][Cu] B}\]
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\[\ce{Ar - N^+_2 X^- ->[A] Ar - N^+_2 BF^-_4 ->[\Delta] Ar - F + BF3 + N2 ^}\]
Benzene diazonium chloride on reaction with ethanol forms ____________.
Fluorobenzene (C6H5F) can be synthesized in the laboratory ______.
Which of the following reactions is used to prepare aryl fluorides from diazonium salts and fluoroboric acid?
Which from following reagents is used in Gatterman-Koch formylation of arene?
Identify the reagent involved in Sandmeyer reaction.
