A) \[\left( p+\frac{a}{^{{{V}^{2}}}} \right)(V-b)=RT\]
B) \[\left( p-\frac{a}{^{{{V}^{2}}}} \right)(V-b)=RT\]
C) \[\left( p+\frac{a}{^{{{V}^{2}}}} \right)(V-b)=\frac{R}{T}\]
D) \[\left( p+\frac{a}{^{{{V}^{2}}}} \right)(V+b)=RT\]
Correct Answer: A
Solution :
The van der Waals' equation for \[n\] moles of a gas is \[\left[ p+\frac{{{n}^{2}}a}{{{V}^{2}}} \right](V-nb)=nRT\] For one mole \[(n=1)\] \[\left( p+\frac{a}{{{V}^{2}}} \right)(V-b)=RT\]
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