Question

In which of the following pairs, both gases will diffuse at the same rate? (a)O2&SO2 (b)H2&He (c) N2&CO (d)CO&CO2

Answer 1

According to Graham's law of diffusion, Molecular weight is inversely Propertional to rate of diffusion .

It means that those molecules which has same Molecular weight can diffusion at the same rate.

So, here Option (c) molecule pair has same Molecular weight, i.e 28 .

Correct Option:- (c) N2 and CO .

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