MEDIUMMCQ SINGLENEET ChemistryPhysical ChemistryGaseous stateGraham's Law of Diffusion and effusion

Rate of diffusion of a gas is

A.directly proportional to its density

B.directly proportional to its molecular weight

C.directly proportional to the square root of its

D.inversely proportional to the square root of its✓ Correct

Explanation

According to Graham’s law of diffusion, the rate at which a gas diffuses is inversely proportional to the density of the gas. Volume of the gas diffusion Rate of diffusion of gas= Time Taken 1 2 2 1 1 2 2 1 1 , Molar Mass=2 Vapour Density r d r d r d Also r M r M >> x >> Kinetic theory of gases

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