Dispersion/ Induced dipole-Induced dipole

[marinhaluza_1]

Can anyone exlpain how an induced dipole- Induced dipole bond works, like how does the electron distortion lead to polarization of the molecule?

[taline_n]

In induced dipole-induced dipole bonds, molecules from 2 compounds that do not have a dipole moment (like N-N) are attracted to each other due to slight charges acquired through the electron clouds of each molecule. The electrons surrounding an atom "fluctuate", and create a (+) or (-) charge; this created charge isn't strong enough to be called a dipole moment, but it is enough to attract another molecule of an opposite charge, thus the name "induced dipole".

[105085381]

Can someone please explain whether dipole moments are always polar or not? Thanks!!