Which of these is not a valid assumption of kinetic theory of matter?

A) The intermolecular force increases with decrease in intermolecular space between molecules.

B) The temperature of the matter is dependent on the average kinetic energy of the particles of the matter.

C) The size of the particles are so small that they are far apart from their size.

The correct option is A) The intermolecular force increases with decrease in intermolecular space between molecules.

Following are the assumptions of the kinetic theory of matter:

  • The size of the particles are so small that they are far apart from their size.
  • The collision between the particles and between the walls of the container is elastic in nature.
  • The particles have a continuous and random motion which makes them possess kinetic energy.
  • There is zero force of attraction between the particles.
  • The temperature of the matter is dependent on the average kinetic energy of the particles.

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