Question

State the Graham's law of diffusion.

Answer 1

Diffusion in the ability of a gas to spread and occupy the whole available volume irrespective of other gases present in the container.

Effusion is the process by which a gas escapes from one chamber of a vessel through a small opening or an orifice.

Thomas Graham in 1831 proposed the law of gaseous diffusion.

The law states that under similar conditions of temperature and pressure, the rates of diffusion of gases are inversely proportional to the square roots of their densities.

Mathematically

Answer 2

It states that the rates of diffusion of gases are inversely proportional to the square roots of their densities under similar conditions of temperature and pressure.