If v is the volume of one molecule of a gas under given conditions, then van der Waals constant 'b' is : (N0 = Avogadro's number)
A
4v
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B
4vN0
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C
N04v
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D
4vN0
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Solution
The correct option is D4vN0 The van der Waals constant 'b' is 4 times the volume of molecules in one mole (which has N0 molecules) of a gas. so, volume of N0 molecules = vN0 hence, b=4vN0