MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryMole _ Equivalent ConceptPrevious Year Questions

The vapour density of a gas is 11.2. The volume occupied by one gram of the gas at STP is (Manipal – 2013)

A.1.0 L✓ Correct

B.11.2 L

C.22.4 L

D.None of these

Explanation

Here, vapour density of gas = 11.2 Molecular weight = 2 × vapour density = 2 × 11.2 = 22.4 g 22.4 g of occupied volume at STP = 22.4L 1g gas occupied volume STP = 1 L

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