Reason (R) : Adsorption is always accompanied by decrease in free energy. When molecules are adsorbed, there is always a decrease in randomness of the molecules.
A. Both A and R are correct and R is the correct explanation of A.
B. Both A and R are correct but R is not correct explanation of A.
C. Both A and R are wrong.
D. A is correct but R is wrong.
Answer:A
Reason (R) : Adsorption is always accompanied by decrease in free energy. When molecules are adsorbed, there is always a decrease in randomness of the molecules.
A. Both A and R are correct and R is the correct explanation of A. B. Both A and R are correct but R is not correct explanation of A. C. Both A and R are wrong. D. A is correct but R is wrong.