According to kinetic theory of gases, at absolute zero of temperature (a) water freezes (b) liquid helium freezes (c) molecular motion stops (d) liquid hydrogen freezes

Answer: (c). In kinetic theory the mean kinetic energy of a molecule is 3/2kBT. At T = 0 K this energy becomes zero, so the molecules stop moving. So the answer is (c) molecular motion stops.

According to kinetic theory of gases, at absolute zero of temperature | NEET 1990 (AIPMT)

Q39NEET 1990 · AIPMTEasy

Pressure & Kinetic Energy of a Gas

According to kinetic theory of gases, at absolute zero of temperature

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Answer: (c)

In kinetic theory the mean kinetic energy of a molecule is $\frac{3}{2}k_BT$ .
At $T = 0$ K this energy becomes zero, so the molecules stop moving.
So the answer is (c) molecular motion stops.

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Pressure & Kinetic Energy of a Gas question from NEET 1990 (AIPMT)

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