In $Vander$ $Waal$'s equation of state for gases,the constant '$b$' is a measure of

  • A
    Volume occupied by the molecules
  • B
    Intermolecular attraction
  • C
    Intermolecular repulsions
  • D
    Intermolecular collisions per unit volume

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The pressure of real gases is less than that of ideal gas because of:

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The deviation will be maximum in the behaviour of a gas from the ideal gas equation $PV = nRT$?

In the following compressibility factor $(Z)$ versus pressure graph at $300 \, K$,the compressibility of $CH_{4}$ at pressure $< 200 \, bar$ deviates from ideal behaviour because

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