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JEE Main & Advanced Chemistry Nitrogen Containing Compounds Question Bank Self Evaluation Test - Amines

  • question_answer
    \[{{(C{{H}_{3}})}_{3}}C-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-N{{H}_{2}}\xrightarrow[(ii)\,{{D}_{2}}O]{(i)\,O{{D}^{-}}/B{{r}_{2}}}Product\,P\] is

    A) \[{{\left( C{{H}_{3}} \right)}_{3}}CN{{H}_{2}}\]         

    B) \[{{\left( C{{H}_{3}} \right)}_{3}}CNHD\]

    C) \[{{\left( C{{H}_{3}} \right)}_{3}}CN{{D}_{2}}\]         

    D) no reaction

    Correct Answer: C

    Solution :

    [c] Remember that in Hofmann rearrangement, the two original H atoms of the \[-CON{{H}_{2}}\] group are removed by base \[\left( O{{H}^{-}} \right)\] and new H's are derived from\[{{H}_{2}}O\]. \[{{(C{{H}_{3}})}_{3}}C-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-N{{H}_{2}}\xrightarrow[(ii)\,{{D}_{2}}O]{(i)\,O{{D}^{-}}/B{{r}_{2}}}{{(C{{H}_{3}})}_{3}}C-N{{D}_{2}}\]


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