Statement I: For a fixed amount of a gas, the product PV is always constant. Statement II: Gases dev — States of Matter and Gaseous State Chemistry Question
Question
Statement I: For a fixed amount of a gas, the product PV is always constant. Statement II: Gases deviate more from ideal behaviour at high pressure and low temperature.
Answer: D
💡 Solution & Explanation
The product PV is constant only for an ideal gas at constant temperature. Real gases do not have a constant PV product (Statement I is incorrect). Statement II is correct because high pressure and low temperature promote intermolecular interactions and make molecular volume significant, causing real gases to deviate from ideality.
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