The values of van der Waals' constant 'a' for the gases O_(2). N_(2) , – InterviewSolution

1.	The values of van der Waals' constant 'a' for the gases O_(2). N_(2) , NH_(3) and CH_(4) are 1.360, 1.390 , 4.170 and 2.52 L^(2) atm mol^(-2) respectively . The gas which can most easily be liquified is :
Answer» `O_(2)` `N_(2)` `NH_(3)` `CH_(4)` ANSWER :C

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