JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkene

  • question_answer
    \[\begin{matrix}    {{H}_{3}}C & {} & C{{H}_{3}}  \\    {} & >C=C< & {}  \\    {{H}_{3}}C & {} & C{{H}_{3}}  \\ \end{matrix}\underset{KOH\,\text{(heat)}}{\mathop{\xrightarrow{X}}}\,\begin{matrix}    C{{H}_{3}} & {} & C{{H}_{3}}  \\    {} & >C=O+O=C< & {}  \\    C{{H}_{3}} & {} & C{{H}_{3}}  \\ \end{matrix}\] \[X\] in the above reaction is [CPMT 1985, 93]

    A) \[HN{{O}_{3}}\]

    B) \[{{O}_{2}}\]

    C) \[{{O}_{3}}\]

    D) \[KMn{{O}_{4}}\]

    Correct Answer: D

    Solution :

    \[\begin{matrix}    C{{H}_{3}}  \\    C{{H}_{3}}  \\ \end{matrix}>C=C<\begin{matrix}    C{{H}_{3}}  \\    C{{H}_{3}}  \\ \end{matrix}\underset{KOH\,(\text{heat)}}{\mathop{\xrightarrow{KMn{{O}_{4}}}}}\,\]\[\begin{matrix}    C{{H}_{3}}  \\    \underset{\text{Acetone}}{\mathop{C{{H}_{3}}}}\,  \\ \end{matrix}>C=O+O=C<\begin{matrix}    C{{H}_{3}}  \\    \underset{\text{Acetone}}{\mathop{C{{H}_{3}}}}\,  \\ \end{matrix}\]


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