JEE Main Chemistry question

The diazonium salt 4-methyl-2-bromobenzenediazonium chloride, on reaction with ethanol/Cu, gives

(A)The corresponding aryl chloride (via Cu-mediated Sandmeyer-type substitution)
(B)The corresponding nitroso compound
(C)Reductive deamination (–N₂⁺ replaced by –H), with the alcohol oxidised to acetaldehydeCorrect
(D)The corresponding aryl fluoride

Answer: (C)

Solution

Ethanol/Cu is a classical reagent combination for the reductive deamination of a diazonium salt: ethanol acts as the reducing

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Question ID VK-140222