JEE Main Chemistry question

Under which of the following conditions does a van der Waals' gas approach ideal behaviour? **[OJEE 2008]**

(A)Extremely lower pressureCorrect
(B)Low temperature
(C)High pressure
(D)Low product of

Answer: (A)

Solution

Real-gas deviations arise from the finite size of molecules and intermolecular attraction, both of which become negligible when the gas is very dilute, i.e. at extremely low pressure (where

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Question ID VK-134016