A real gas at T behaves ideally when its volume is related to van der Waals constants a and b by the expression

  1. A

    V=n2aanRTb

  2. B

    V=n2aa+nRTb

  3. C

    V=nbaaRTb

  4. D

    V=nbaa+RTb

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    Solution:

    A real gas at T behaves ideally when its volume is related to van der Waals constants a and b by the expression is V=nbaaRTb

    The amount of the attraction between gas molecules is represented by the Van der Waal constant 'a,' and the effective volume of the gas molecules is represented by the Van der Waal constant 'b'.

    Hence option C is correct.

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