JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkene

  • question_answer
    Monohalides on reacting with alcoholic KOH give [MP PET 1982, 86; DPMT 1981; CPMT 1979, 83]

    A) Alkanes

    B) Alkenes

    C) Alkynes

    D) Aromatic hydrocarbons

    Correct Answer: B

    Solution :

    \[\underset{\text{Ethyl }\,\text{Chloride}}{\mathop{C{{H}_{3}}-C{{H}_{2}}-Cl}}\,\xrightarrow{\text{alc}.\,KOH}\underset{\text{Alkene}}{\mathop{\,C{{H}_{2}}=C{{H}_{2}}}}\,+KCl+{{H}_{2}}O\]


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