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JEE Main levelSingle correct optionDifficulty 2 of 3rg179

If the volume of the container is very large compared with $nb$ and $P$ is low, the van der Waals equation becomes

A $P V = n RT$
B $P V = n RT + nb$
C $P = a n^{2} / V^{2}$
D $P V = 0$

Answer: A

When

V

is large,

nb

is negligible relative to

V

and

a n^{2} / V^{2}

is negligible relative to

P

. Both corrections vanish and the equation reduces to the ideal gas law.

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