MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryGaseous stateLiquefaction of Gases

Critical temperature is the

A.highest temperature above which gas can not be✓ Correct

B.highest temperature above which gas liquefies

C.Lowest temperature at which gas liquefies

D.All of the above

Explanation

Critical temperature is the highest temperature above which gas cannot be liquefied., i.e. above this temperature it exist as gas. Volume of the gas at critical temperature is called critical volume and pressure at this temperature is called critical pressure.

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