JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkene

  • question_answer
    The compound B formed in the following sequences of reactions is \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OH\xrightarrow{PC{{l}_{3}}}A\xrightarrow{Alco.\text{ }KOH}B\] [NCERT 1981]

    A) Propyne

    B) Propene

    C) Propanol

    D) Propane

    Correct Answer: B

    Solution :

    \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-OH\xrightarrow{PC{{l}_{3}}}\] \[\underset{\text{propylchloride}}{\mathop{\underset{\text{(a)}}{\mathop{C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-Cl}}\,}}\,\xrightarrow{\text{Alc}\text{. }KOH}\underset{\Pr opene}{\mathop{\underset{\text{(b)}}{\mathop{C{{H}_{3}}-CH=C{{H}_{2}}}}\,}}\,\]


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