Answer to Question #166709 in General Chemistry for nicole

Question #166709

if a cation attracts the partially negative end of a neutral polar molecule, while an anion attracts the positive end of a polar molecule, what intermolecular forces force is involved?


1
Expert's answer
2021-02-25T03:45:29-0500

ion-dipole force

An ion-dipole force is an attractive force that results from the electrostatic attraction between an ion and a neutral molecule that has a dipole.


  • Most commonly found in solutions. Especially important for solutions of ionic compounds in polar liquids.
  • A positive ion (cation) attracts the partially negative end of a neutral polar molecule.
  • A negative ion (anion) attracts the partially positive end of a neutral polar molecule.
  • Ion-dipole attractions become stronger as either the charge on the ion increases, or as the magnitude of the dipole of the polar molecule increases.

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