AFMC AFMC Solved Paper-2011

  • question_answer
    Haloalkane in the presence of alcoholic KOH undergoes

    A) elimination        

    B) polymerization

    C) dimerisation     

    D) substitution

    Correct Answer: A

    Solution :

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


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