The van der Waals equation is [P+(n^(2)a...

The van der Waals equation is `[P+(n^(2)a)/(V)] (V -nb) =nRT` for n moles where a and b are van der Waals' constants Which of the following statements are true about a and b when the temperature of the gas is too low ?.

A

Both remains same

B

a' remains same, b varies

C

a' varies,'b' remains same

D

both varies

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The correct Answer is:

D

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