JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkene

  • question_answer
    n-propyl bromide on treatment with ethanolic potassium hydroxide produces [IIT-JEE 1987; MP PMT 1997]

    A) Propane

    B) Propene

    C) Propyne

    D) Propanol

    Correct Answer: B

    Solution :

    \[\underset{n-\text{Propyl bromide}}{\mathop{C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-Br}}\,+KOH\xrightarrow{{{C}_{2}}{{H}_{5}}OH}\]\[\underset{\text{Propene}}{\mathop{C{{H}_{3}}-CH=C{{H}_{2}}}}\,+KBr+{{H}_{2}}O\]


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