1.

Assertion (A) : Adsorption is a spontaneous process. 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.

Answer»

Both A and R are CORRECT and R is the correct EXPLANATION of A.
Both A and R are correct but R is not correct explanation of A.
Both A and R are WRONG.
A is correct but R is wrong.

Answer :A


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