Two van der Waals' gases have the same value of 'b' but different values of 'a', then which of the following statement is correct under similar conditions?

Both gases will occupy same volume

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Gas having a larger value of 'a' will occupy less volume

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Gas having a larger value of 'a' will occupy larger volume

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Cannot be predicted

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Solution

The correct option is B Gas having a larger value of 'a' will occupy less volume
The van der Waals' constant "a" represents the strength of the attractive forces between the particles.Greater the value of "a" for a gas means that it is more compressible when compared to another one with a lesser value of "a".

Hence, the gas having a larger value of 'a' will occupy less volume.

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a and b are van der Waals constants. Which gas will liquefy easily?

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T_{c} / p_{c}

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(T_{c})

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