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Intermolecular Forces

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Name the types(s) of intermolecular forces that exist between molecules:

CsBr & BaCl2

The options are dipole-dipole, dispersion, ion-dipole, ion-ion. It can be one or a combination of answers for each molecule.

I have tried a variety of options. I know that dispersion forces are always present but I believe both also have dipole-dipole forces...what else am i missing for both of these guys?

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Solution Summary

This solution explains the attractive forces found between CsBr and BaCl2.

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To figure this out you need to determine the electronegativity difference between the two atoms in a molecule.

Cs - 0.79
Br - 2.96

Difference - 2.17

Ba - 0.89
Cl - 3.16

Difference - 2.27

When an electronegativity difference is greater than 2, you ...

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