The values of van der Waals' constant 'a' for O_2, N_2, NH_3 " and " CH_4 " are " 1.360, 1.390, 4.170 " and " 2.253 L^2 " atm " mol^(-2) respectively. The most easily liquefiable gas among these is

The values of van der Waals' constant 'a' for O_2, N_2, NH_3 " and " C

1.	The values of van der Waals' constant 'a' for O_2, N_2, NH_3 " and " CH_4 " are " 1.360, 1.390, 4.170 " and " 2.253 L^2 " atm " mol^(-2) respectively. The most easily liquefiable gas among these is
Answer» `N_2` `NH_3` `O_2` `CH_4`. SOLUTION :`NH_3`