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The units of the van der Waals constant ...

The units of the van der Waals constant `a` are

A

atm `L^(2) mol^(-2)`

B

atm `L^( -2) mol^(-2)`

C

atm L `mol^(-1)`

D

atm mol `L^(-2)`

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The correct Answer is:
A
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The units of the van der Waal's constant 'b' are

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