Which one is not correct for gaseous state obeying van der Waals equation?

Options

A. Compressibility factorat critical temperature = 0.375.
B. For a gas if van der Waals'constant a=0,`T_(c)=0`
C. Ideal gases do not have critical temperature
D. Gaseous molecules showing H-bonding show minimum deviations from Z = 0.375

Answer

D

Explanation

`(P_(C) V_(C))/(T_(C)) = (3R)/(8)`, Also gaseous molecules showing H-bonding maximum deviation in Z due to increase in molecular attractions (e.g. Z for `NH_(3) , H_(2) O , CH_(3) OH = 0.22` to 0.24)