A) \[RCN+4H\xrightarrow[{}]{{}}RC{{H}_{2}}N{{H}_{2}}\]
B) \[C{{H}_{3}}COCl+C{{H}_{3}}OH\xrightarrow[{}]{{}}\] \[C{{H}_{3}}COOC{{H}_{3}}+HCl\]
C) \[C{{H}_{3}}CN+{{H}_{2}}O\xrightarrow[{}]{NaOH}C{{H}_{3}}COONa+N{{H}_{3}}\]
D) \[C{{H}_{3}}COON{{H}_{2}}+B{{r}_{2}}+4KOH\xrightarrow[{}]{{}}\] \[C{{H}_{3}}N{{H}_{2}}+{{K}_{2}}C{{O}_{3}}+2KBr+2{{H}_{2}}O\]
Correct Answer: D
Solution :
Hofmann bromamide reaction: \[\underset{acetamide}{\mathop{C{{H}_{3}}CON{{H}_{2}}}}\,+B{{r}_{2}}+4KOH\xrightarrow[{}]{{}}\] \[\underset{methyl\text{ }amine}{\mathop{C{{H}_{3}}N{{H}_{2}}}}\,+{{K}_{2}}C{{O}_{3}}+2KBr+2{{H}_{2}}O\]
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