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NEET Sample Paper NEET Sample Test Paper-4

  • question_answer
    \[C{{H}_{3}}C{{H}_{2}}Cl\xrightarrow{NaCN}X\xrightarrow{Ni,\,{{H}_{2}}}Y\xrightarrow[anhydride]{acetic}Z\]. In the above reaction sequence, Z is

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

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

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

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

    Correct Answer: B

    Solution :

    \[C{{H}_{3}}C{{H}_{2}}Cl\xrightarrow{NaCN}\underset{(X)}{\mathop{C{{H}_{3}}C{{H}_{2}}CN}}\,\xrightarrow{{}^{Ni}/{}_{{{H}_{2}}}}\underset{(Y)}{\mathop{C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}N{{H}_{2}}}}\,\] \[\xrightarrow{acetic\,anhydride}\underset{(Z)}{\mathop{C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}NHCOC{{H}_{3}}}}\,\]


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