JEE Main 2015 Chemistry question

Chemistry States of Matter (Gaseous & Liquid State)JEE Main 2015

When does a gas deviate the most from its ideal behavior?

(1)At low pressure and high temperature
(2)At high pressure and high temperature
(3)At low pressure and low temperature
(4)At high pressure and low temperatureCorrect

Answer: (4)

Solution

The ideal gas model assumes negligible molecular volume and negligible intermolecular forces. At **high pressure** the molecules are packed close together, so their own volume becomes a significant fraction of the container volume (the correction in van der Waals' equation). At **low temperature** the molecules

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Question ID VK-115350