Question

The main reason for deviation of gases from ideal behavior is few assumptions of kinetic theory. These are

(i) There is no force of attraction between the molecules of a gas

(ii) volume of the molecules of a gas is negligibly small in comparison to the volume of the gas

(iii) particles of a gas are always in constant random motion.

• A. (i) and (ii)
• B. (ii) and (iii)
• C. (i), (ii) and (iii)
• D. (iii) only

Answer 1

Answer: (A)

(i) and (ii)

Answer 2

: Assumptions (i) and (ii) do not hold true at all temperatures and pressures.