RAJASTHAN ­ PET Rajasthan PET Solved Paper-2001

  • question_answer
    Which of the following reagent used in the formation of ethane amine from propanamide?

    A)  \[B{{r}_{2}}+KOH\]

    B)  \[Na+{{C}_{2}}{{H}_{5}}OH\]

    C)  \[LiAl{{H}_{4}}\]

    D)  \[AlC{{l}_{3}}\]

    Correct Answer: A

    Solution :

     \[C{{H}_{3}}-C{{H}_{2}}-\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{C}}\,N{{H}_{2}}+B{{r}_{2}}+4KOH\xrightarrow[{}]{{}}\] \[C{{H}_{3}}C{{H}_{2}}N{{H}_{2}}+{{K}_{2}}C{{O}_{3}}+2KBr+2{{H}_{2}}O\] This is Hofmann bromamide reaction.


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