Which of the following statements is false?

Question

a) dipole dipole forces are most useful when comparing molecules of similar mass

b) london forces exist only between non polar molecules

c) london forces are most useful when comparing molecules of widely different masses

d) permanent dipole dipole forces exist only between polar molecules

e) dispersion (london) forces involve displacement of all of the electrons of a molecule

Answer 1

Both b) and e) are false.

b) London forces exist between both polar and nonpolar molecules, not just nonpolar molecules.

e) London forces do not have to involve all of the electrons of a molecule.