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Q. The ratio of rates of diffusion of $SO_{2}, O_{2}$ and $CH_{4}$ is

States of Matter

Solution:

$r_{So_2}: r_{o_2} : r_{CH_4}=\frac{1}{\sqrt{M_{SO_2}}}: \frac{1}{\sqrt{M_{o_2}}}: \frac{1}{\sqrt{M_{CH_4}}}$
$=\frac{1}{\sqrt{64:32:16}}=\frac{1}{\sqrt{4:2:1}}$
$\frac{1}{2}:\frac{1}{\sqrt{2}}:\frac{1}{1}; \frac{2}{2}:\frac{2}{\sqrt{2}}:\frac{2}{1};1:\sqrt{2}:2$