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NEET Sample Paper NEET Sample Test Paper-80

  • question_answer
    The relationship between the extent of adsorption and pressure of the gas at constant temperature is known as adsorption isotherm. Which of the following is correct regarding adsorption?

    A)  \[\Delta H=-ve\]                       

    B)  \[\Delta S=-ve\]

    C)  \[T\Delta S=-ve\]                      

    D)  All of these

    Correct Answer: D

    Solution :

    \[\Delta H = - ve\], due to force of attraction \[\Delta S = - ve\], because gaseous particles comes closer \[\therefore \,\,\,\,\,\,\,\,\operatorname{T}\Delta S\,\,=\,\,-ve\] Hence, all above are correct regarding adsorption.


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