Q.
In van der Waals' equation of the gas law, the constant 'a' is a measure of
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a
intermolecular repulsion
b
intermolecular attraction
c
volume occupied by the molecules
d
relative velocity of gaseous molecules
answer is B.
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Detailed Solution
p+an2V2(V-nb)=nRT [van der waals' equation]The value of 'a' is measure of magnitude of intermolecular attractive forces within the gas and is independent of temperature and pressure.
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