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Chapter 3: Problem 15

Gases deviate from the ideal gas behaviour because their molecules (a) possess negligible volume (b) have forces of attraction between them (c) are polyatomic (d) are not attracted to one another

Short Answer

Expert verified
The correct option amongst the stated is (b) because real gases do exhibit forces of attraction between them, unlike the assumption in the ideal gas law.

Step by step solution

01

Examine Choice A

Evaluting statement A: Real gases do possess volume, this feature is neglected in the ideal gas law which assumes the gas molecules to be point particles. Therefore, choice (a) is incorrect.
02

Examine Choice B

Evaluating statement B: Real gases do have intermolecular forces of attraction, opposite to the ideal gas behavior, where the molecules are assumed not to attract or repel each other. Therefore, choice (b) is correct.
03

Examine Choice C

Analyzing statement C: The number of atoms that forms a molecule (monoatomic, diatomic, or polyatomic), does not cause deviation from ideal behaviour. Therefore, choice (c) is incorrect.
04

Examine Choice D

Evaluating statement D: Real gases do experience attraction, which is non-existent in the ideal gas behaviour. Therefore, choice (d) is incorrect, as it's opposite of the real gas property.

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