JEE Main Chemistry question

Identify the product in the following sequence: [Kerala CEE 2005]

3,4,5-Tribromoaniline ?

(A)3,4,5-tribromobenzene
(B)1,2,3-tribromobenzeneCorrect
(C)2,4,6-tribromobenzene
(D)3,4,5-tribromonitrobenzene

Answer: (B)

Solution

Diazotisation converts the group of 3,4,5-tribromoaniline into a diazonium group, leaving the three ring bromines untouched. Treatment with hypophosphorous acid () is a reductive deamination that replaces this diazonium group with . The carbon that bore the

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Question ID VK-150316