RAJASTHAN ­ PET Rajasthan PET Solved Paper-2002

  • question_answer
    At a given temperature the root mean square velocity of which gas is minimum?

    A)  \[{{O}_{2}}\]              

    B)  \[{{N}_{2}}\]

    C)  \[C{{l}_{2}}\]              

    D)  He

    Correct Answer: C

    Solution :

     Temperature is constant. \[\therefore \] \[{{v}_{rms}}\propto \frac{1}{\sqrt{M}}\] Here, the mass of\[C{{l}_{2}}\]is maximum, so its\[{{v}_{rms}}\]will be minimum.


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