J & K CET Medical J & K - CET Medical Solved Paper-2009

  • question_answer
    Among the following, the alkene on ozonolysis giving rise to only one aldehyde as the product

    A)  1-butene

    B)  propene

    C)  2-butene          

    D)  2-methyl-prop-1-ene

    Correct Answer: C

    Solution :

                    Only symmetrical alkenes upon ozonolysis give one product. Among the given alkenes, only 2-butene is a symmetrical alkene and undergoes ozonolysis in the following manner: \[C{{H}_{3}}CH=CHC{{H}_{3}}\xrightarrow[{}]{{{O}_{3}}/{{H}_{2}}{{O}_{2}}}\underset{\begin{smallmatrix}  acetaldehyde \\  (aldehyde) \end{smallmatrix}}{\mathop{2C{{H}_{3}}CHO}}\,\]


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