BHU PMT BHU PMT Solved Paper-2004

  • question_answer
    A primary amine is formed from an amide by the treatment of bromine and alkali. The primary amine has:

    A)  1 carbon atom less than amide

    B)  1 carbon atom more than amide

    C)  1 hydrogen atom less than amide

    D)  1 hydrogen atom more than amide

    Correct Answer: A

    Solution :

                     \[RCON{{H}_{2}}+B{{r}_{2}}+4KOH\xrightarrow[{}]{{}}\]       \[RN{{H}_{2}}+2KBr+{{K}_{2}}C{{O}_{3}}\] \[\because \]1 C of amide is removed in form of \[{{K}_{2}}C{{O}_{3}}\] \[\therefore \]amine formed has one C atom less than amide.


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