CET Karnataka Medical CET - Karnataka Medical Solved Paper-2012

  • question_answer
    During the adsorption of a gas on the surface a solid, which of the following is true?

    A) \[\Delta G<0,\text{ }\Delta H>0,\text{ }\Delta S<0\]

    B) \[\Delta G>0,\text{ }\Delta H<0,\text{ }\Delta S<0\]

    C) \[\Delta G<0,\Delta H<0,\Delta S<0\]

    D) \[\Delta G<0,\Delta H<0,\Delta S>0\]

    Correct Answer: C

    Solution :

    :In an adsorption process, which is spontaneous, \[\Delta S\] is negative,  \[\Delta H\]is negative (exothermic) and \[\Delta G\] is also negative.


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