Which of the following is not correct about postulates of the kinetic molecular theory of gases?

1 .   Pressure of the gas is due to the collision of molecules against the walls of the container.
2. Volume of the gas is due to the large number of molecules of the gas.
3.  Average kinetic energy of molecules is directly proportional to the absolute temperature of the gas.
4.  The molecules move randomly with different speeds in different directions.

Subtopic:  Kinetic Theory of Gas |
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