First slide

Kinetic theory of ideal gases

Question

According to kinetic theory of gases, which of the following statement(s) is wrong?

Easy

A

A real gas behaves as an ideal gas at high temperature and low pressure
B

Liquid state of an ideal gas is impossible.
C

At any temperature and pressure, ideal gas obeys Boyle’s and Charles’ law
D

Molecules of real gases do not exert any force on one another

Solution

When the temperature is above the condensation point, and the pressure is low, real gases behave like ideal gases. (1) is correct
In Ideal gas molecules exert no intermolecular force and hence, (2) is correct.
Molecules of real gases exert intermolecular forces and hence, (4) is wrong.

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