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Assertion: A gas can be easily liquified...

Assertion: A gas can be easily liquified at any temperature below its critical temperature.
Reason : Liquifaction of gas takes place when the average kinetic energy of the molecule is low.

A

If both (A) and (R) are correct and (R) is the correct explanation of (A).

B

If both (A) and (R) are correct, but (R) is not the correct explanation of (A).

C

If (A) is correct, but (R) is incorrect.

D

If both (A) and (R) are incorrect.

Text Solution

Verified by Experts

The correct Answer is:
B
Above critical temperature `(T_c)`, gas cannot be liquified. On cooling, the average energy of molecules decreases.
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