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

  • question_answer
    What will be the final product in the following reaction sequence? \[C{{H}_{3}}C{{H}_{2}}CN\xrightarrow{{{H}^{+}}/{{H}_{2}}O}A\xrightarrow[\Delta ]{N{{H}_{3}}}B\]                         \[\xrightarrow{NaOBr}C\]

    A) \[C{{H}_{3}}C{{H}_{2}}CON{{H}_{2}}\]      

    B) \[C{{H}_{3}}C{{H}_{2}}COBr\]

    C) \[C{{H}_{3}}C{{H}_{2}}N{{H}_{2}}\]           

    D) \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}N{{H}_{2}}\]

    Correct Answer: C

    Solution :

    [c] \[C{{H}_{3}}C{{H}_{2}}CN\xrightarrow{{{H}^{+}}/{{H}_{2}}O}\underset{(A)}{\mathop{C{{H}_{3}}C{{H}_{2}}COOH}}\,\xrightarrow[\Delta ]{N{{H}_{3}}}\]\[\underset{(B)}{\mathop{C{{H}_{3}}C{{H}_{2}}CON{{H}_{2}}}}\,\xrightarrow[NaOBr]{Hoffmann\,bromamide\,reaction}\]                         \[\underset{(C)}{\mathop{C{{H}_{3}}C{{H}_{2}}N{{H}_{2}}}}\,\]


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