JCECE Engineering JCECE Engineering Solved Paper-2010

  • question_answer
    The compound with highest boiling point

    A)  n-hexane

    B)  n-pentane

    C)  2, 2-dimethylpropane

    D)  2-methylbutane

    Correct Answer: A

    Solution :

    Boiling point \[\propto \] molecular mass                 \[\propto \frac{1}{branching}\] \[(\because \]Surface area decreases) \[\therefore \,\,n-\]hexane has the highest boiling point among the given.


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