•In
general ionic forces the strongest, then hydrogen bonding,
dipole-dipole and lastly dispersion for species of similar molar mass.
•N2 (bpt -195oC) O2 (bpt -183oC)
•N2 (bpt -195oC) CO (bpt -190oC) H2O (bpt 100oC)
•CH3F
(-141.8oC) CCl4 (-23oC)
•NaCl
(801oC mp)