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States of Matter — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryStates of Matter1 Mark
Question
Explain the physical significance of van der Waal's parameters.
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Answer

A is a measure of magnitude of intermolecular forces of attraction while b is a measure of the effective volume of the gas molecules. Value of a and b depends upon the characteristics of a gas.

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