The ratio of rates of diffusion of gases X an | vedclass

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(C) According to Graham's Law of diffusion, the rate of diffusion $r$ is inversely proportional to the square root of the molecular weight $M$ of the

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$4: 3$

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(C) According to Graham's Law of diffusion, the rate of diffusion $r$ is inversely proportional to the square root of the molecular weight $M$ of the gas: $r \propto \frac{1}{\sqrt{M}}$.Therefore, the ratio of rates of diffusion of gases $X$ and $Y$ is given by: $\frac{r_x}{r_y} = \sqrt{\frac{M_y}{M_x}}$.Given $M_x = 36$ and $M_y = 64$, we have: $\frac{r_x}{r_y} = \sqrt{\frac{64}{36}}$.Simplifying the expression: $\frac{r_x}{r_y} = \frac{8}{6} = \frac{4}{3}$.

The ratio of rates of diffusion of gases $X$ and $Y$ of molecular weights $36$ and $64$ is

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