Which of the following statements is correct for the spontaneous adsorption of a gas?
S is negative and, therefore, H should be highly positive.
S is negative and therefore, H should be highly negative.
S is positive and, therefore, H should be negative.
S is positive and, therefore, H should also be highly positive.
As we learned in concept
We have
for a spontanous process,
if as it is in the case of adsorption then to make , would have to be highly
Option 1)
S is negative and, therefore, H should be highly positive.
Option is incorrect
Option 2)
S is negative and therefore, H should be highly negative.
Option is correct
Option 3)
S is positive and, therefore, H should be negative.
Option is incorrect
Option 4)
S is positive and, therefore, H should also be highly positive.
Option is incorrect