COMEDK2024Evening ShiftChemistryAminesActual
Identify the final product formed when Benzamide undergoes the following reactions:
Options
- ABenzoic acid
- BAniline
- CAcetophenone
- DAcetanilide
Correct answer
D. Acetanilide
Step-by-step solution
The reaction of benzamide with Br₂ / KOH is the Hofmann bromamide degradation reaction. This reaction converts a primary amide into a primary amine with one less carbon atom. Thus, benzamide ( C₆H₅CONH₂ ) reacts to form aniline ( C₆H₅NH₂ ), which is the product [X]. The subsequent reaction of aniline with acetic anhydride ( (CH₃CO)₂O ) in the presence of pyridine is an acetylation reaction. The amino group of aniline undergoes nucleophilic substitution with the acetic anhydride to form N-phenylacetamide, commonly k