1.

In Langmuir's model of adsorption of a gas on solid surface

Answer»

the rate of dissociation of adsorbed molecule FORM the surface does not depend on the surface covered
the adsorption at a single SITE on the surface may involve multiple MOLECULES at the same time
The mass of gas STRIKING a given area of surface is proportional to the pressure of the gas
the mass of the gas striking a given area of surface is independent of the pressure of the gas

Answer :C


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