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Which of the following is not a correct ...

Which of the following is not a correct postulate of the kinetic molecular theory of gases ?

A

Molecules of gases remain in continuous motion.

B

while moving, they collide with each other and with the walls of the container.

C

Collisions of gas molecules are inelastic.

D

Speeds and energies of the molecules of the gas at any instant are not the same.

Text Solution

Verified by Experts

The correct Answer is:
C
Collisions of gas molecules are perfectly elastic, i.e., the total energy of molecules before and after the collision remains the same.
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