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CET Karnataka Medical CET - Karnataka Medical Solved Paper-2002

  • question_answer
    Halo alkane in the presence of alcoholic \[KOH\] undergoes:

    A)  elimination   

    B)  polymerisation

    C)  dimerisation  

    D)  substitution

    Correct Answer: A

    Solution :

    Halo alkanes on boiling with alcoholic \[KOH\]   undergoes   elimination   or dehydrohalogenation \[\underset{\Pr opyl\,bromide}{\mathop{C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Br}}\,+alc.KOH\xrightarrow{{}}\] \[\underset{\text{Propylene}}{\mathop{C{{H}_{3}}CH}}\,=C{{H}_{2}}+KBr+{{H}_{2}}O\]


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