Question

Critical temperature can be defined as the

• A. Temperature at which there is no motion between the molecules
• B. Temperature at which a gas is converted into its liquid state
• C. Temperature at which volume of a gas becomes zero
• D. Temperature above which a gas cannot be liquefied no matter however high the pressure may be

Answer 1

Answer: (D)

Temperature above which a gas cannot be liquefied no matter however high the pressure may be

Critical temperature is that temperature at or below which a gas can be liquefied by pressure alone and above which a gas cannot be liquefied by pressure alone.