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JEE Main & Advanced JEE Main Paper (Held On 10 April 2015)

  • question_answer
    The following statements relate to the adsorption of gases on a solid surface. Identify the incorrect statement among them : JEE Main Online Paper (Held On 10 April 2015)

    A)  On adsorption, the residual forces on the surface are increased

    B) Enthalpy of adsorption is negative

    C)  On adsorption decrease in surface 3 energy appears as heat

    D)  Entropy of adsorption is negative

    Correct Answer: A

    Solution :

                     After adsorption these is decrease in the residual forces due to bond formation. \[\Delta G,\Delta H\And \Delta S\]all are negative in the case of adsorption,


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