RAJASTHAN PMT Rajasthan - PMT Solved Paper-2007

  • question_answer
    \[Z\xrightarrow{PC{{l}_{5}}}X\xrightarrow{Alc.\,\,KOH}Y\xrightarrow[2{{H}_{2}}O/\Delta ]{conc.\,\,{{H}_{2}}S{{O}_{4}}}Z\] Here \[Z\] is

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

    B)        \[{{(C{{H}_{3}})}_{3}}-C-OH\]

    C)        \[C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{C}}\,H-C{{H}_{3}}\]

    D)        none of the above

    Correct Answer: C

    Solution :

    \[C{{H}_{3}}-\underset{\begin{align}   & | \\  & OH \\  & 2-propanol \\  & (Z) \\ \end{align}}{\mathop{C}}\,H-C{{H}_{3}}\xrightarrow{PC{{l}_{5}}}C{{H}_{3}}-\underset{\begin{align}   & | \\  & Cl \\  & 2-Chloropropane \\  & (X) \\ \end{align}}{\mathop{C}}\,H-C{{H}_{3}}\]                 \[\underset{\begin{smallmatrix}  \operatorname{Propene} \\  (Y) \end{smallmatrix}}{\mathop{\xrightarrow{alc.\,\,KOH}C{{H}_{3}}-CH=C{{H}_{2}}}}\,\]                 \[\xrightarrow{{{H}_{2}}O.\Delta conc.\,\,{{H}_{2}}S{{O}_{4}}}C{{H}_{3}}-\underset{\begin{align}   & | \\  & OH \\  & 2-propanol \\  & (Z) \\ \end{align}}{\mathop{C}}\,H-C{{H}_{3}}\]


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