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  4. The R.M.S. velocity of CH4, He and SO2 are in the ratio of

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Q. The R.M.S. velocity of $CH_4$, He and $SO_2$ are in the ratio of

COMEDKCOMEDK 2012States of Matter

Solution:

R.M.S. velocity = $\sqrt{\frac{3RT}{M}}$
$\therefore $ The ratio of R.M.S. velocities of $CH_4$, He and $SO_2$ will be
$ \sqrt{\frac{3RT}{16}} : \sqrt{\frac{3RT}{4} } : \sqrt{\frac{3RT}{64}} = 2 : 4 : 1$