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JEE Main 202131 AugustEvening Shift
Exam
JEE Main
Year
2021
Date
31 August
Shift
Evening Shift
Subject
Chemistry
Chapter
Amines

JEE Main 2021 · 31 August · Evening Shift · Chemistry · Amines

The major products A and B formed in the following reaction...

The major products AA and BB formed in the following reaction sequence are :
The major products A and B formed in the following reaction sequence are :

Options

  1. AWhich one of the following is used as Antihistamine?
  2. BWhich one of the following is used as Antihistamine?
  3. CWhich one of the following is used as Antihistamine?
  4. DWhich one of the following is used as Antihistamine?

Correct answer

C. Which one of the following is used as Antihistamine?

Step-by-step solution

In first step, acetylation of aniline occurs. This process is done to lower the activating nature of amine otherwise poly substitution will occur.

On bromination, bromine group is directed at para position. In ortho position repulsion will dominate due to which its percentage of ortho product is less. The major products A and B formed in the following reaction sequence are :

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