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In the preparation of aryl halides by Sandmeyer's reaction, name the i) catalyst used ii) gas liberated. |
Answer» SOLUTION :Aromatic PRIMARY amines REACT with nitrous acid at low temperature [273-278K] to form diazonium salt. This reaction is called diazotisation. Freshly prepared diazoniun salt is treated with CUPROUS chloride to give aryl chloride. This reaction is called Sandmeyer.s reaction.  i) `Cu_(2)Cl_(2)" (Catalyst)"` ii) Nitrogen (gas is liberated). |
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