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Question: Answered & Verified by Expert
Acetamide is treated separately with the following reagents. Which one of these would give methylamine?
ChemistryAminesJEE Main
Options:
  • A PCl5
  • B Br2 and NaOH
  • C P4O10
  • D LiAlH4
Solution:
2232 Upvotes Verified Answer
The correct answer is: Br2 and NaOH
This is a case of Hofmann reaction:
The Hofmann bromamide is the organic reaction of conversion of a primary amide to a primary amine with one fewer carbon atom.
CH 3 CONH 2 + Br 2 +4NaOH CH 3 NH 2 + Na 2 CO 3 +2NaBr+2 H 2 O

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