The correct equation for one mole of a real gas is (a, b are constants)

• Correct answer
  A

  $\left(p+\frac{a}{V^2}\right)(V-b)=R T$
• B

  $\left(\mathrm{p}-\frac{\mathrm{a}}{\mathrm{V}^2}\right)(\mathrm{V}-\mathrm{b})=\mathrm{RT}$
• C

  $\left(p+\frac{a}{V^2}\right)(V+b)=R T$
• D

  $\left(p+\frac{a}{V}\right)(V-b)=R T$

Hence, the correct answer is option: 'A'.