Question
Chemistry Question on States of matter
Which of the following is not the postulate of the kinetic theory of gases?
A
Gas molecules are in a permanent state of random motion
B
Pressure of gas is due to molecular impacts on the walls
C
The molecules are perfectly elastic
D
The molecular collisions are elastic
Answer
The molecules are perfectly elastic
Explanation
Solution
The molecules are perfectly elastic. It is not the postulate of kinetic theory. The correct postulate or assumption is "The molecule collisions are perfectly elastic.