Q. Absorption of gasses on solid surface is generally exothermic because

A) Enthalpy is positive
B) Entropy decreases
C) Entropy increases
D) Free energy increases
Explanation

(b)
Due to randomness of particles is reduced since, entropy decreases

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.