CET Karnataka Medical CET - Karnataka Medical Solved Paper-2013

  • question_answer
    Cycloalkane formed when 1,4-dibroinopentane is heated with sodium is

    A)  methyl cyclobutane

    B)  cyclopentane

    C)  cyclobutane

    D)  methyl cyclopentane.

    Correct Answer: A

    Solution :

    : \[{{H}_{2}}\underset{Br}{\mathop{\underset{|}{\mathop{C}}\,}}\,-C{{H}_{2}}-C{{H}_{2}}-\underset{Br}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-C{{H}_{3}}\xrightarrow[-2NaBr]{2Na/\Delta }\]


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