Which Statement (S)about Dispersion Forces Is \Are Incorrect

Multiple Choice

Which statement (s) about dispersion forces is \are incorrect ?

A) Dispersion forces are sometimes called London forces.
B) Dispersion forces are the weakest of all cohesive forces.
C) Dispersion forces increase with an increase in molar mass.
D) Dispersion forces result in the establishment of a permanent dipole within a molecule.
E) All of these statements are correct.