Manipal Medical Manipal Medical Solved Paper-2011

  • question_answer
    Which one of the following has the minimum boiling point?

    A)  \[n-\]butane         

    B) \[1-\]butyne

    C)  \[1-\]butene         

    D)  Isobutene

    Correct Answer: D

    Solution :

     Isobutene,\[C{{H}_{3}}-\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{C}}\,=C{{H}_{2}}\]has minimum force of attraction due to steric hindrance hence, it has minimum boiling point.


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