JEE Main & Advanced Sample Paper JEE Main - Mock Test - 10

  • question_answer
    Identify Z in the series \[C{{H}_{2}}=C{{H}_{2}}\xrightarrow{HBr}X\xrightarrow{aq.KKOH}Y\xrightarrow[{{I}_{2}}\,\,excess]{N{{a}_{2}}C{{O}_{3}}}Z\]

    A) \[{{C}_{2}}{{H}_{5}}I\]                     

    B) \[{{C}_{2}}{{H}_{5}}OH\]

    C) \[CH{{I}_{3}}\]           

    D) \[C{{H}_{3}}CHO\]

    Correct Answer: C

    Solution :

    \[C{{H}_{2}}=C{{H}_{2}}\xrightarrow{HBr}{{H}_{3}}C-\underset{\underset{(X)}{\mathop{Br}}\,}{\mathop{\underset{|}{\mathop{C}}\,}}\,{{H}_{2}}\xrightarrow{aq.\,KOH}C{{H}_{3}}-\underset{\underset{(Y)}{\mathop{OH}}\,}{\mathop{\underset{|}{\mathop{C}}\,}}\,{{H}_{2}}\]\[C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,}}\,{{H}_{2}}\xrightarrow[{{I}_{2}}\,excess]{N{{a}_{2}}C{{O}_{3}}}\underset{(Z)}{\mathop{\underset{Iodoform}{\mathop{CH{{I}_{3}}}}\,}}\,\]


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