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

  • question_answer A gas is said to behave like an ideal gas when the relation \[PV/T=\text{constant}\]. When do you expect a real gas to behave like an ideal gas [IIT 1999; CBSE PMT 1990; CPMT 1991]

    A)                 When the temperature is low   

    B)                 When both the temperature and pressure are low

    C)                 When both the temperature and pressure are high

    D)                 When the temperature is high and pressure is low

    Correct Answer: D

    Solution :

                    PV = nRT is a ideal gas equation it is allowed when the temperature is high and pressure is low.


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