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NEET levelSingle correct optionDifficulty 1 of 3ig174

The ratio of the rates of diffusion of $SO X_{2}$ (64) and $O X_{2}$ (32) under identical conditions is

A $1 : 2$
B $2 : 1$
C $1 : 2$
D $2 : 1$

Answer: A

\frac{r _{SO X_{2}}}{r _{O X_{2}}} = \frac{32}{64} = \frac{1}{2}

, i.e.

1 : 2

.

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