Which of the following statements is correct for the spontaneous adsorption of a gas?

$\displaystyle \Delta \mathrm{S}$ is negative and, therefore, $\displaystyle \Delta \mathrm{H}$ should be highly positive.

$\displaystyle \Delta \mathrm{S}$ is negative and therefore, $\displaystyle \Delta \mathrm{H}$ should be highly negative.

$\displaystyle \Delta \mathrm{S}$ is positive and, therefore, $\displaystyle \Delta \mathrm{H}$ should be negative.

$\displaystyle \Delta \mathrm{S}$ is positive and, therefore, $\displaystyle \Delta \mathrm{H}$ should also be highly positive.