JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkene

  • question_answer
    Ethyl bromide gives ethylene when reacted with [CPMT 1982, 93; RPET 2000; Pb. PMT 2001]

    A) Ethyl alcohol

    B) Dilute \[{{H}_{2}}S{{O}_{4}}\]

    C) Aqueous KOH

    D) Alcoholic KOH

    Correct Answer: D

    Solution :

    \[C{{H}_{3}}-C{{H}_{2}}-Br+\underset{\text{(alc)}}{\mathop{KOH}}\,\to \underset{\text{Ethene}}{\mathop{C{{H}_{2}}=C{{H}_{2}}}}\,+KBr+{{H}_{2}}O\]


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