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, Δ H becomes more and more negative. D. Adsorption is accompanied by decrease in entropy of the system.

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, Δ H becomes more and more negative. D. Adsorption is accompanied by decrease in entropy of the system. (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

‘A’ water vapours are absorbed by calcium chloride. C. As the adsorption proceeds, Δ H becomes less and less negative

‘A’ water vapours are absorbed by calcium chloride. C. As the adsorption proceeds, ΔH becomes less and less negative

‘ $A$ ’ water vapours are absorbed by calcium chloride.
C. As the adsorption proceeds, $Δ H$ becomes less and less negative