JEE Main202125 Feb 2021Morning ShiftChemistrySurface ChemistryActual

In Freundlich adsorption isotherm at moderate pressure, the extent of adsorption x m is directly proportional to P x . The value of x is :

Options

Azero
B1 n
C1
D∞

Correct answer

B. 1 n

Step-by-step solution

Freundlich gave a relation between the amount of the gas adsorbed per unit mass of the adsorbent (m) and the pressure (p). This is known as Freundlich’s adsorption isotherm. As per Freundlich adsorption isotherm x m = KP 1 n → x = 1 n Hence answer is 2

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