The statement that is NOT correct is :

Options

A. compressibility factor measures the deviatio of real gas from ideal behaviour
B. van der Waals' constant 'a' measures extent of intermolecular attractive forces for real gases
C. critical temperature is the lowest temperature at which liquefaction of a gas first occurs
D. Boyle point depends on the natuer of the real gas.

Answer

C

Explanation

The statement is worng. Critical temperature is the temperature above which a has cannot be liquefied however large the pressure may be.