JEE Main & Advanced JEE Main Paper (Held on 10-4-2019 Morning)

  • question_answer A gas undergoes physical adsorption on a surface and follows the given Freundlich adsorption isotherm equation\[\frac{x}{m}=k{{p}^{0.5}}\] Adsorption of the gas increases with : [JEE Main 10-4-2019 Morning]

    A) Decrease in p and decrease in T

    B) Increase in p and increase in T

    C) Increase in p and decrease in T

    D) Decrease in p and increase in T

    Correct Answer: C

    Solution :

    Freundlich adsorption isotherm\[\frac{x}{m}=K{{p}^{0.5}}\] so on increasing pressure,\[\frac{x}{m}\]increases physical adsorption decreases with increase in temperature so option [c] is correct.

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