Published by:
CGP EDU Academic Team
Published on: August 13, 2026
From the following statements, concerning ideal gas at any given temperature T, select the wrong one
A
The coefficient of volume expansion at constant pressure is same for all ideal gas
B
The average translational kinetic energy per molecule of oxygen gas is 
( K being Boltzmann constant)
( K being Boltzmann constant) C
In a gaseous mixture, the average translational kinetic energy of the molecules of each component is same
D
The mean free path of molecules increases with decrease in pressure
Text Solution
Verified by ExpertsThe correct answer is:
B
Coefficient of volume expansion at constant pressure is 
for all gases. The average transnational K.E. is same for molecules of all gases and for each molecules it is 
Mean free path 
(as P decreases, λ increases)
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