Chemistry - Real Gas Question with Solution | TestHub

The values of van der Waals constant 'a' for gases ${\mathrm{O}}_2,{\mathrm{N}}_2,{\mathrm{NH}}_3$ and ${\mathrm{CH}}_4$ are 1.360, 1.390, 4.170 and 2.253 lit ${}^2\mathrm{atm}{\mathrm{mol}}^{-2}$ respectively. The gas which can be most easily liquefied is