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NEST2022ChemistryStates of Matter

Consider one mole of a real gas obeying the van der Waals equation. The correct statement regarding the variation of volume with the van der Waals constants a and b , at constant temperature and pressure, is

Options

  1. AThe volume will increase with the increase in the value of a .
  2. BThe volume will decrease with the increase in the value of b .
  3. CThe volume will always increase with the increase in the values of both a and b .
  4. DThe volume will decrease if the value of a increases but the value of b decreases.

Correct answer

D. The volume will decrease if the value of a increases but the value of b decreases.

Step-by-step solution

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