Gases possess characteristic critical temperature which depends upon the magnitude of intermolecular forces between the particles. Following are the critical temperatures of some gases.
Gases H2 He O2 N2
Critical temperature in Kelvin 33.2 5.3 154.3 126
From the above data what would be the order of liquefaction of these gases? Start writing the order from the gas liquefying first
1
H2, He, O2, N2
2
He, O2, H2, N2
3
N2, O2, He, H2
4
O2, N2, H2, He