Question

Critical temperature of the gas is the temperature-

• A. Below which it cannot be liquefied
• B. Above which it cannot be liquefied
• C. At which it occupies $22.4L$ of volume
• D. At which one mole of it occupies volume of $22.4L$

Answer 1

Answer: (B)

Above which it cannot be liquefied

The critical temperature of a substance is defined as the temperature at and above which no gas can be liquefied, no matter how much pressure is applied.

Hence option B is correct.