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JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkene

  • question_answer
    The olefin which on ozonolysis gives \[C{{H}_{3}}C{{H}_{2}}CHO\] and \[C{{H}_{3}}CHO\] is [Roorkee 1992]

    A) 1-butene

    B) 2-butene

    C) 1-pentene

    D) 2-pentene

    Correct Answer: D

    Solution :

    \[C{{H}_{3}}C{{H}_{2}}CH=CHC{{H}_{3}}\underset{Zn/{{H}_{2}}O}{\mathop{\xrightarrow{{{O}_{3}}}}}\,\underset{\text{Propanal}}{\mathop{C{{H}_{3}}C{{H}_{2}}CHO}}\,+\underset{\text{Ethanal}}{\mathop{CHOC{{H}_{3}}}}\,\]


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