Question

Force and attraction in gaseous molecule is ? A) present B) Absent C) Slight D) Huge

Answer 1

Explanation:

option A is correct answer

According to one of the postulates of the Kinetic theory of molecular speeds, gases do not have the force of attraction or repulsion. At lower pressure and higher temperature, as the average distances between any two gas molecules are very large in comparison with the molecular sizes. Thus the gas molecules behave like an ideal gas and have a negligible force of attraction or repulsion.

But at low temperatures and high pressures, significant forces of attraction and repulsion are present between gas molecules due to smaller average distances between gas molecules.

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