Chemistry Gaseous State ( Not In Syllabus ) Kinetic Molecular Theory of Gases and Molecular Collisions Single Correct MCQ
Published on: August 13, 2026

According to kinetic theory of gases, for a diatomic molecule

A
The pressure exerted by the gas is proportional to the mean velocity of the molecules
B
The pressure exerted by the gas is proportional to the root mean square velocity of the molecules
C
The root mean square velocity is inversely proportional to the temperature
D
The mean translational kinetic energy of the molecules is proportional to the absolute temperature

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Verified by Experts
The correct answer is:
D

All molecules of an ideal gas show random motion. They collide with each other and walls of container during which they lose or gain energy so they may not have same kinetic energy always.

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