Benzenediazonium bromide on Gatterman reaction with HCl does not form which of the following?(a) Chlorobenzene(b) Nitrogen gas(c) Copper bromide(d) Copper chlorideI had been asked this question in an international level competition.The above asked question is from Diazonium Salts Chemical Reactions topic in chapter Amines of Chemistry – Class 12

Benzenediazonium bromide on Gatterman reaction with HCl does not form

1.	Benzenediazonium bromide on Gatterman reaction with HCl does not form which of the following?(a) Chlorobenzene(b) Nitrogen gas(c) Copper bromide(d) Copper chlorideI had been asked this question in an international level competition.The above asked question is from Diazonium Salts Chemical Reactions topic in chapter Amines of Chemistry – Class 12
Answer» Correct CHOICE is (d) Copper chloride For EXPLANATION I would say: The ANION from the diazonium SALT (Br^–) combines with Cu^+ from copper powder (in HALOGEN acid), to form CuBr. The chlorobenzene formed gets the chlorine from HCl in solution.

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