RAJASTHAN ­ PET Rajasthan PET Solved Paper-2004

  • question_answer
    Which alkene forms only ethanal on ozonolysis?

    A)  1-butene         

    B)  2-butene

    C)  Propene         

    D)  iso-butylene

    Correct Answer: B

    Solution :

     \[\underset{2-butene}{\mathop{C{{H}_{3}}-CH=CH-C{{H}_{3}}}}\,+{{O}_{3}}\xrightarrow[{}]{{}}\]    \[2C{{H}_{3}}CHO+ZnO+{{H}_{2}}O\]


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