induced-dipole

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Ramsha Dis1B
Posts: 32
Joined: Fri Sep 28, 2018 12:19 am

induced-dipole

Postby Ramsha Dis1B » Sat Nov 10, 2018 12:40 pm

Is an induced-dipole interaction equivalent in strength as a dipole-dipole interaction? I think it is because technically it's still a dipole-dipole interaction but would it be a little weaker since it's induced?

janeane Kim4G
Posts: 31
Joined: Fri Sep 28, 2018 12:28 am

Re: induced-dipole

Postby janeane Kim4G » Sat Nov 10, 2018 1:09 pm

I think typically the dipole dipole is stronger mainly because it is only formed when there are permanent poles in molecules. In comparison, dispersion forces are due to instantaneous distortions of the electron cloud and can be observed in all molecules. I would imagine that there would be some molecules with a large enough electron cloud that would lead to a stronger dispersion force than a dipole dipole though. The dipole dipole interactions have a set range while the dispersion forces have a much larger range of strength, depending on the size of the electron cloud.

Karina Koo 2H
Posts: 49
Joined: Fri Sep 28, 2018 12:24 am

Re: induced-dipole

Postby Karina Koo 2H » Sat Nov 10, 2018 5:03 pm

there might a difference but if there is, it's very slight. In Mr. Lavelle's lecture, he said both have the strength of about -2 KJ/mol


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