Statement 1: For 2 mol of a van der Waals gas in a vessel of volume V, the excluded volume is (V - 2b).
Statement 2: The van der Waals constant b equals four times the actual volume of one mole of the gas molecules.

Question

Statement 1: For 2 mol of a van der Waals gas in a vessel of volume V, the excluded volume is (V - 2b).

Statement 2: The van der Waals constant b equals four times the actual volume of one mole of the gas molecules.

TestHub · Accepted Answer

Statement I is incorrect: for 2 mol the excluded volume is 2b; (V - 2b) is the free volume available for motion. Statement II is correct: b = 4N A × (volume of one molecule), reflecting the effective molecular size. Ans: (d).

Chemistry - Real Gas Question with Solution | TestHub

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