1.

Four gases P,Q,R and S have almost same values of b but their a values (a,b are van der Waals constants) are in the order QltRltsltP. At a particular temperature, among the four gases the most easily liquefiable is

Answer»

P
Q
R
S

Solution :More the value of a more will be the FORCES of ATTRACTION between the gaseous MOLECULES thus, more easily the gas will be liquefied.


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