Chemistry - Ideal Gas Question with Solution | TestHub

The Vander Waal's constant$\mathrm{\text{'}}\mathrm{a}\mathrm{\text{'}}$for the gases${\mathrm{O}}_2,\mathrm{}{\mathrm{N}}_2,\mathrm{}\mathrm{N}{\mathrm{H}}_3$and$\mathrm{C}{\mathrm{H}}_4$are$1.3,\mathrm{}1.390,\mathrm{}4.170$and$2.253$${\mathrm{L}}^2\mathrm{}\mathrm{a}\mathrm{t}\mathrm{m}\mathrm{}\mathrm{m}\mathrm{o}{\mathrm{l}}^{-2}$respectively. The gas which can be most easily liquefied is