Question

# Which of the following gases will have the highest rate of diffusion?

A
O2
B
CO2
C
NH3
D
N2

Solution

## The correct option is A $${ NH }_{ 3 }$$Rate of Diffusion $$\propto\,\cfrac{1}{\sqrt{Molecular\,Mass}}$$$$NH_{3}$$ has lesser molecular mass than the above gases, so the rate of diffusion of $$NH_{3}$$ is higher. This is according to the Graham's law of Diffusion of gases. General Knowledge

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