The Van der Waal’s constants for two gases are as follows:Gasa(atm L – InterviewSolution

1.	The Van der Waal’s constants for two gases are as follows:Gasa(atm L2 mol-2)b(L mol-1)X1.390.0391Y3.590.0427Which of them is more easily liquefiable and which has greater molecular size?
Answer» Greater the value of ‘a’, more easily the gas is liquefiable. Similarly, greater the value of V, greater is the molecular size. Hence, gas Y will be more easily liquefiable and will have greater molecular size.

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