CHEMISTRY COMMUNITY

Would an ionic molecule have London-dispersion forces?

Yes, all types of molecules have London Dispersion forces.

Ionic compounds still have London dispersion forces occurring, since the presence of a polarizable electron cloud allows for it. However, the primary intermolecular force present will be that ionic attraction.

When listing down what intermolecular forces molecules have, just always note that London dispersion forces occur no matter what. In some molecules, this is the only force that is acting.