JCECE Engineering JCECE Engineering Solved Paper-2010

  • question_answer
    Which one has the highest boiling point?

    A) \[{{H}_{2}}\]                                      

    B) \[Xe\]

    C) \[C{{H}_{4}}\]                                   

    D) \[He\]

    Correct Answer: B

    Solution :

    Boiling point\[\propto \]vander Waals' Force vander Waals' force \[\propto \] atomic mass (or molecular mass) \[\because \]Atomic mass of \[Xe\] is highest among\[{{H}_{2}},\,\,He,\,\,C{{H}_{4}},\,\,Xe\] \[\therefore \]Boiling point of \[Xe\] is highest.


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