According to kinetic theory of gases

Engineering

Chemistry

Kinetic Theory of Gases KTG

Question

heavier molecules transfer more momentum to the wall of the container

only a small number of molecules have very high velocity.

collisions are always elastic

between collisions, the molecules move in straight lines with constant velocities.

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Factual.

* The most appropriate answer to this question is (A, D), but because of ambiguity in language, IIT has declared (A,C,D) as correct answer