The vander waal’s constant ‘a’ for teh gases O2, N2 , NH3 and CH4 are 1.3 , 1.390 , 4.170 and 2.253 L^2 atm/mol^2 respectively. THe gas which can be most easily liquified is 1.390 4.170 and 2.253 L^2 atm/mol^2 respectively. THe gas which can be most easily liquified is n2 NH3 and CH4 are [...]