CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2011

  • question_answer
    During the adsorption of krypton on activated charcoal at low temperature

    A)  \[\Delta H<0\] and \[\Delta S<0\]

    B)  \[\Delta H>0\] and \[\Delta S<0\]

    C)                  \[\Delta H>0\] and \[\Delta S>0\]

    D)  \[\Delta H<0\] and \[\Delta S>0\]

    Correct Answer: A

    Solution :

    During adsorption, heat is liberated hence \[\Delta H\]is negative (less than zero) and entropy decreases.


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