JEE Main & Advanced Chemistry States of Matter Question Bank Real gases and Vander waal's equation

  • question_answer Gases deviate from the ideal gas behaviour because their molecules      [NCERT 1981]

    A)                 Possess negligible volume

    B)                 Have forces of attraction between them

    C)                 Are polyatomic

    D)                 Are not attracted to one another

    Correct Answer: B

    Solution :

                    Because molecules of real gases have intermolecular forces of attraction so the effective impact on the wall of container is diminished. Pressure of real gas is reduced by \[\frac{a}{{{v}^{2}}}\] factor hence behaviour of real gas deviate from ideal behaviour.


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