Generalized compressibility chart is drawn between:
1
Compressibility factor(Z) on x-axis and reduced pressure(Pr) on y-axis
2
Compressibility factor(Z) on y-axis and reduced temperature (Tr) on x-axis
3
Reduced pressure(Pr) on y-axis and reduced temperature (Tr) on x-axis
4
Compressibility factor(Z) on y-axis and reduced pressure(Pr) on x-axis