Question

In: Chemistry

How do intermolecular forces of attraction originate ?

How do intermolecular forces of attraction originate ?

Solutions

Expert Solution

Every molecule or an atom exerts a force of attraction or repulsion on the other constituents. This force is known as the intermolecular force(IMFs). In other words IMFs are the various forces of attraction that may exist between the atoms and molecules of a substance due to electrostatic phenomena. These forces are responsible for holding together of a substance.
These molecular forces originate from the attraction between permanent dipoles (dipolar molecules) and are temperature dependent. They occur whenever two particles come close to each other.

The four prominent types are:

Strong ionic attraction. Recall lattice energy and its relations to properties of solid. ...
Intermediate dipole-dipole forces. ...
Weak London dispersion forces or van der Waal's force These forces alway operate in any substance. ...
Hydrogen bond. ...
Covalent bonding. ...
Metallic bonding.


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