Question

Following table represents critical temperature of some gases.
Arrange these gases in their increasing order of liquification

Gas	H2	He	N2	O2
Tc/K	33.2	5.3	126	154.3

• A. He < N₂ < H₂ < O₂
• B. H₂ < He < N₂ < O₂
• C. He < H₂ < N₂ < O₂
• D. O₂ < N₂ < H₂ < He

Answer 1

The Correct Option is C

The correct option is (C): He < H₂ < N₂ < O₂.