Ion dipole interaction is the strongest type of intermolecular force between solute and solvent.
Intermolecular force is also called secondary force is the force of attraction between molecules. It acts between ions and atoms.
The intermolecular force of attraction between a cation or anion and a molecule is called ion dipole interaction. An ion dipole interaction is a attractive force.
CsCl is ionic compound and H₂O is polar in nature so ion dipole attraction is present.
Thus from the above conclusion we can say that Ion dipole interaction is the strongest type of intermolecular force between solute and solvent.
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