RAJASTHAN ­ PET Rajasthan PET Solved Paper-2005

  • question_answer
    On ozonolysis of a alkene, only single organic compound obtains. Alkene is

    A)  \[C{{H}_{3}}-CH=C{{H}_{2}}\]

    B)  \[C{{H}_{3}}CH=CH-C{{H}_{3}}\]

    C)  \[C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,=C{{H}_{2}}\]

    D)  \[C{{H}_{3}}-C{{H}_{2}}-CH=C{{H}_{2}}\]

    Correct Answer: B

    Solution :

     Symmetrical alkene gives only single product on ozonolysis. \[C{{H}_{3}}-CH=CH-C{{H}_{3}}\xrightarrow[(ii)Zn/{{H}_{2}}O]{(i){{O}_{2}}}2C{{H}_{3}}CHO\]


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