Question

The number of incorrect statement/s from the following is/are ____
A. Water vapours are adsorbed by anhydrous calcium chloride.
B. There is a decrease in surface energy during adsorption.
C. As the adsorption proceeds, $\Delta H$ becomes more and more negative.
D. Adsorption is accompanied by decrease in entropy of the system.

Answer 1

The correct answer is 2.
A’ water vapours are absorbed by calcium chloride.
C. As the adsorption proceeds, ΔH becomes less and less negative