RAJASTHAN ­ PET Rajasthan PET Solved Paper-2001

  • question_answer
    Which of the following alkene gives acetone on ozonolysis?

    A)  2-methyl propene

    B)  2-methyl-l-butene

    C)  2-butene         

    D)  Ethene

    Correct Answer: A

    Solution :

     \[\underset{2-methyl\text{ }propene}{\mathop{C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{2}}}}\,\xrightarrow[{}]{{{H}_{2}}O}\underset{acetone}{\mathop{C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,=O}}\,\] \[+\underset{formaldehyde}{\mathop{HCHO}}\,\]


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