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NEET2010ChemistryAminesActual

Acetamide is treated with the following reagents separately. Which one of these would yield methyl amine ?

Options

  1. ANaOH - Br ₂
  2. BSodalime
  3. CHot conc H ₂ SO ₄
  4. DPCl ₅

Correct answer

A. NaOH - Br ₂

Step-by-step solution

Key Idea The reagent which can convert - CONH ₂ group into - NH ₂ group is used for this reaction. Among the given reagents only NaOH / Br ₂ converts - CONH ₂ group to - NH ₂ group, thus it is used for converting acetamide to methyl amine. This reaction is called Hofmann bromamide reaction. aligned & acetamide CH ₃ CONH ₂ + NaOH + Br ₂ array c CH ₃ NH ₂ methyl amine array &+ NaBr + Na ₂ CO ₃+ H ₂ O aligned

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