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Question

In the van der Waal's equation, 'a' signifies:

A
intermolecular attraction
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B
intramolecular attraction
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C
attraction between molecules and wall of container
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D
volume of molecules
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Solution

The correct option is D intermolecular attraction
The van der Waal's equation corrects the volume and attractive forces between the gas molecules. The magnitude of 'a' is indicative of the strength of the intermolecular attraction. So the constant ' a ' provides the correction of intermolecular forces.

Option A is correct.

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