Dipole-dipole v. Induced Dipole-Induced Dipole

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Sarah Zhari 1D
Posts: 103
Joined: Sat Sep 14, 2019 12:16 am

Dipole-dipole v. Induced Dipole-Induced Dipole

Postby Sarah Zhari 1D » Sat Nov 09, 2019 4:50 pm

What is the difference between a dipole-dipole force and an induced dipole-induced dipole intermolecular force? Are molecules that experience dipole-dipole forces polar?

Catherine Daye 1L
Posts: 104
Joined: Wed Sep 11, 2019 12:16 am

Re: Dipole-dipole v. Induced Dipole-Induced Dipole

Postby Catherine Daye 1L » Sat Nov 09, 2019 4:56 pm

A dipole-dipole force is between molecules that are always polar. An induced dipole-induced dipole force is between molecules that have instantaneous dipole moments; the electrons move around, making the molecule temporarily polar.

Qilan Li 4I
Posts: 54
Joined: Mon Jun 17, 2019 7:23 am

Re: Dipole-dipole v. Induced Dipole-Induced Dipole

Postby Qilan Li 4I » Sat Nov 09, 2019 5:38 pm

Dipole-dipole interactions occur when the positively charged part of a molecule interacts with the negatively charged part of another molecule. Induced dipole-induced dipole exists between all types of molecules (polar or nonpolar). Electrons constantly move so an atom or molecule can develop a temporary (instantaneous) dipole when its electrons are distributed unevenly around the nucleus. A second atom or molecule then can be attracted to the appearance of the dipole in the first atom or molecule.


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