JEE Mains Model Paper 7

Question : 60 of 90

Marks: +1, -0

The Vander Waal's constant 'a' for the gases O2,N2,NH3 and CH4 are 1.3, 1.390, 4.170 and 2.253 L2atm mol−2 respectively. The gas which can be most easily liquefied is