VMMC VMMC Medical Solved Paper-2009

  • question_answer
    Ethylamine can be prepared by the action of bromine and caustic potash on

    A) Acetamide         

    B) Propionamide

    C) Formamide        

    D) Methyl cyanide

    Correct Answer: B

    Solution :

    Propionamide, when reacts with bromine and caustic potash, gives ethylamine. This reaction is called Hofmann bromamide reaction. \[\underset{\text{propionamide}}{\mathop{C{{H}_{3}}C{{H}_{2}}CON{{H}_{2}}}}\,+B{{r}_{2}}+NaOH\xrightarrow{{}}\] \[\underset{\text{ethyl}\,\text{amine}}{\mathop{C{{H}_{3}}C{{H}_{2}}N{{H}_{2}}}}\,+{{K}_{2}}C{{O}_{3}}+KBr+{{H}_{2}}O\]


You need to login to perform this action.
You will be redirected in 3 sec spinner