Select the incorrect statement(s).

Options

A. The compressibility factor (Z) for `H_(2)` and He is given by equation `: Z=1+(Pb)/(RT)`
B. At critical temperature all real gases behave like and ideal gas.
C. The compressibility factor for gas at critical state is `(8)/(3)`
D. The rms velocity of ideal gas molecule will be doubled if pressure is made four times by decreasing the volume of container.

Answer

bcd