Hydrogen Bonds and Van Der Waals

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sonalivij
Posts: 70
Joined: Fri Sep 28, 2018 12:27 am

Hydrogen Bonds and Van Der Waals

Postby sonalivij » Sun Nov 18, 2018 7:36 pm

Is there any way two molecules with a hydrogen bond could also have van Der Waals forces because they would also have dipole moments?

305154707
Posts: 31
Joined: Fri Sep 28, 2018 12:16 am

Re: Hydrogen Bonds and Van Der Waals

Postby 305154707 » Sun Nov 18, 2018 7:44 pm

All bonds have active Vanderwaals forces. The hydrogen bond might be what is determining the character of the connection, but it doesn't mean that the random interactions of electrons and partial charges aren't happening as well. Some Vanderwaal's forces are more noticeable than others, but they are always occurring. Hope this helps!

404982241
Posts: 47
Joined: Fri Sep 28, 2018 12:17 am

Re: Hydrogen Bonds and Van Der Waals

Postby 404982241 » Sun Nov 18, 2018 10:42 pm

Van Der Waals bonds are constantly occurring due to the fluctuating polarizations of nearby particles. Yes, two atoms experiencing hydrogen bonding can also be experiencing van Der Waals attraction.

404817859
Posts: 27
Joined: Tue Nov 14, 2017 3:02 am

Re: Hydrogen Bonds and Van Der Waals

Postby 404817859 » Sun Nov 18, 2018 11:02 pm

Hydrogen bonding is the third type of van der Waals' forces. It is exactly the same as dipole-dipole interaction, it just gets a special name.

BenJohnson1H
Posts: 68
Joined: Fri Sep 28, 2018 12:17 am

Re: Hydrogen Bonds and Van Der Waals

Postby BenJohnson1H » Sat Nov 24, 2018 8:45 pm

So could Van Der Waals bonds potentially cause a molecule that was initially non-polar to be polar? If so is this only for a moment?


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