JEE Main & Advanced Chemistry States of Matter Question Bank Kinetic molecular theory of gases and Molecular collisions

  • question_answer According to kinetic theory of gases, for a diatomic molecule [MNR 1991]

    A)                 The pressure exerted by the gas is proportional to the mean velocity of the molecules

    B)                 The pressure exerted by the gas is proportional to the root mean square velocity of the molecules

    C)             The root mean square velocity is inversely proportional to the temperature

    D)                 The mean translational kinetic energy of the molecules is proportional to the absolute temperature

    Correct Answer: D

    Solution :

                    All molecules of an ideal gas show random motion. They collide with each other and walls of container during which they lose or gain energy so they may not have same kinetic energy always.


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