Dipole moments and Formal Charges

Moderators: Chem_Mod, Chem_Admin

Rita Dang 3D
Posts: 31
Joined: Fri Sep 29, 2017 7:07 am

Dipole moments and Formal Charges

Postby Rita Dang 3D » Wed Nov 29, 2017 9:43 am

Does anyone know if we need to look at the formal charges when determine whether the dipole moments cancel or not? I know we need to draw the lewis structure and consider the shape first. And then see if the partial charges cancel or not. But is formal charge related to partial charges and the concept of dipole moments?

Justin Lau 1D
Posts: 51
Joined: Sat Jul 22, 2017 3:00 am

Re: Dipole moments and Formal Charges

Postby Justin Lau 1D » Wed Nov 29, 2017 11:36 am

No, I think looking at the structure is enough to determine polarity. I don't believe formal charge is used to find partial charges; formal charge is to determine stability of the Lewis structure.

Patricia Macalalag 2E
Posts: 53
Joined: Sat Jul 22, 2017 3:00 am

Re: Dipole moments and Formal Charges

Postby Patricia Macalalag 2E » Tue Dec 05, 2017 9:23 pm

I think you're supposed compare the electronegativity of the atoms and their respective arrangement in the shape of the molecule; this should help you determine dipole moments. This in turn should help determine polarity.


Return to “Dipole Moments”

Who is online

Users browsing this forum: No registered users and 2 guests