Among the following which can be liqufied easily ('a' values given in bracket in L^(2). atm "mol"^(-2) )

Among the following which can be liqufied easily ('a' values given in

1.	Among the following which can be liqufied easily ('a' values given in bracket in L^(2). atm "mol"^(-2) )
Answer» `He ( 0.034)` `XE ( 4.19) ` `NH_3 (4.17)` `CO_2 (3.59)` SOLUTION :more `a IMPLIES ` more EASILY LIQUIFIABLE.