Which of the following pairs will diffuse at | vedclass

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(D) According to Graham's Law of Diffusion,the rate of diffusion $(r)$ is inversely proportional to the square root of the molar mass $(M)$ of the gas

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$NO$,$C_2H_6$

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(D) According to Graham's Law of Diffusion,the rate of diffusion $(r)$ is inversely proportional to the square root of the molar mass $(M)$ of the gas: $r \propto \frac{1}{\sqrt{M}}$.Two gases will diffuse at the same rate if they have the same molar mass.For option $(D)$: $M_{NO} = 14 + 16 = 30 \ g/mol$ and $M_{C_2H_6} = (2 	imes 12) + (6 	imes 1) = 30 \ g/mol$.Since both $NO$ and $C_2H_6$ have the same molecular weight of $30 \ g/mol$,they will diffuse at the same rate.

Which of the following pairs will diffuse at the same rate through a porous plug?

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