Statement-1: The total translational kinetic energy of all the molecules of a given mass of an ideal gas is 1.5 times the product of its pressure and its volume. Because
Statement-2: The molecules of a gas collide with each other and the velocities of the molecules change due to the collision.

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Statement-1 is True, Statement-2 is False

Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1

Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1

Statement-2 is False, Statement-2 is True

answer is B.

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Detailed Solution

In an ideal gas, all molecules moving randomly in all direction collide elastically and their velocity changes after collision.

Total translational kinetic energy:

$K_{T} = \frac{3}{2} nRT = \frac{3}{2} PV = 1.5 PV$

Both statements are true, but statement-2 is NOT a correct explanation for Statement-1.

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