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Question

Chemistry Question on States of matter

A gas at high temperature is cooled. The highest temperature at which liquefaction of gas first occurs is called

A

Boyle temperature

B

critical temperature

C

boiling temperature

D

freezing temperature

Answer

critical temperature

Explanation

Solution

The highest particular temperature at which a gas liquefied or above which it cannot be liquefied however high pressure may be applied on the gas is called the critical temperature
(TC).TC=8a27 Rb\left( T _{C}\right) . T_{C}=\frac{8 a}{27\, Rb}