Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

A gas undergoes physical adsorption on a surface and follows the given Freundlich adsorption isotherm equation Adsorption of the gas increases with :

  1. A

    Increase in p and decrease in T

  2. B

    Decrease in p and decrease in T

  3. C

    Increase in p and increase in T

  4. D

    Decrease in p and increase in T

Solution

Freundlich adsorption is applicable for physical adsorption. The variation of extent of adsorption with (i) Pressure and (ii) Temp is given by the following curves.

So, extent of adsorption increases with increase of pressure and decrease of temperature.

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