JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkane

  • question_answer
    Which of the following does not give alkane [MP PMT 1999]

    A) Reaction of \[C{{H}_{3}}I\] with Na in ether

    B) Reaction of sodium acetate with sodalime

    C) Electrolysis of concentrated sodium acetate solution

    D) Reaction of ethyl chloride with alco. KOH

    Correct Answer: D

    Solution :

     \[C{{H}_{3}}-C{{H}_{2}}-Cl+\underset{\text{(alc}\text{.)}}{\mathop{KOH}}\,\to \underset{\text{Ethene}}{\mathop{C{{H}_{2}}=C{{H}_{2}}}}\,+KCl+{{H}_{2}}O\] In presence of alc. KOH dehydrohalogenation occur and alkene is formed.


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