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JEE CHEMISTRY MCQ: STATES OF MATTER

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The ratio among most probable velocity, average velocity and root mean square velocity is given by

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Correct option: D

\sqrt 2 \,\,\,:\,\sqrt {8/\pi } \,:\,\,\sqrt 3

Option D (

\sqrt 2 \,\,\,\:\sqrt {8/\pi } \,:\,\,\sqrt 3

) is correct because the ratio of most probable velocity, average velocity, and root mean square velocity is given by

\sqrt{2} : \sqrt{\frac{8}{\pi}} : \sqrt{3}

.

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at a certain temperature and pressure. What volume would half this mass of hydrogen occupy at triple the absolute temperature and the pressure were one-ninth that of the original gas? In deriving the kinetic equation we make use of the root mean square speed of the molecules which is: Consider the following statements for kinetic molecular theory of gases
a. Particles of a gas move in all possible directions in straight lines.
b. At any particular time, different particles in the gas have different kinetic energies.
c. Collisions of gas molecules are perfectly inelastic in nature.
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