Four gases P, Q, R and S have almost same values of b but their a values (a & b are van der Waal s' constant) are in the order Q

Question

Four gases P, Q, R and S have almost same values of b but their a values (a & b are van der Waal s' constant) are in the order Q<R<S<P. At a particular temperature, among the four gases, the most easily liquifiable one is

MARKS Content Team · Accepted Answer

Correct answer: (A) P. Higher the values of 'a' more will be the tendency to get liquefy. Value of 'a' is highest for gas P. Thus, it is the most liquefiable gas among the given gases.

Four gases $P, Q, R$ and $S$ have almost same values of $b$ but their $a$ values $(a & b$ are van der Waal s' constant) are in the order $Q < R < S < P$ . At a particular temperature, among the four gases, the most easily liquifiable one is

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