Statement I : Greater the value of Vander Waals constant ‘a’ greater is the liquification of gas.Statement II : ‘a’ indirectly measures the magnitude of attractive forces between the molecules.
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a
Statement I and II are correct and II explains I
b
Statement I and II are correct and II does not explain I
c
Statement I is correct and statement - II is incorrect
d
Both statement - I and II are incorrect
answer is A.
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Detailed Solution
'a' is measure of inter molecular forces.Stronger the intermolecular forces 'a' value is higher easier is liquefaction of gas.