Which one of the following is correct for the adsorption of a gas at a given temperature on a solid surface?

  • A
    $\Delta H > 0, \Delta S > 0$
  • B
    $\Delta H > 0, \Delta S < 0$
  • C
    $\Delta H < 0, \Delta S < 0$
  • D
    $\Delta H < 0, \Delta S > 0$

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