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JEE Main Chemistry question

ChemistryStates of Matter (Gaseous & Liquid State)JEE Main

The compressibility factor for 1 mole of a van der Waal's gas at 273 K and 100 atm pressure is 0.5. Assuming that the volume of a gas molecule is negligible, calculate the van der Waal's constant 'a' (in units of atm L² mol⁻²).

Answer: 1.26

Solution

With , . Given , so and , giving .

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Question ID VK-134630