Question

An organic compound (A) of molecular formula C₂H₅NO on treatment with LiAIH₄ gives (B) of formula C₂H₇N. (A) on treatment with Br and excess of caustic alkali gives (C) of formula CH₅N. (A) on treatment with phosphorous pentoxide gives (D) of molecular formula C₂H₃N Identify A,B,C,D and explain the reaclions involved.

Answer 1

1. The organic compound (A) is identified as CH₃CONH₂ acetamide.

2. Acetamide on treatment with LiAlH₄ gives ethylamine as product (B)

3. Acetamide on reaction with Br₂ and caustic alkali gives methyl amine as (C)

4. Acetamide on treatment with P₂O₅ gives Aceto nitrile (or) methyl cyanide as (D)