The term that corrects for the attractive forces present in a real gas in the van der Waals' equation is

The term that corrects for the attractive forces present in a real gas in the van der Waals' equation is
  1. $n b$
  2. $n^2 a / V^2$
  3. $-\left(n^2 a / V^2\right)$
  4. $-n b$

Solution

In the van der Waals' equation $ \left(p+\frac{n^2 a}{V^2}\right)(V-n b)=n R T $ The pressure correction factor $\left(n^2 a / V^2\right)$ accounts for intermolecular attraction in real gas

Asked in: JEE Advanced 2009 (Paper 1)

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