Trigonal planar Polarity

(Polar molecules, Non-polar molecules, etc.)

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ahuang
Posts: 52
Joined: Fri Aug 30, 2019 12:17 am
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Trigonal planar Polarity

Postby ahuang » Sat Dec 07, 2019 7:34 pm

Is trigonal planar polar if one of the attached atoms is different from the other two? Is it similar to how tetrahedral is only nonpolar if all four attached atoms are the same?

Alex Tchekanov Dis 2k
Posts: 118
Joined: Sat Aug 24, 2019 12:16 am

Re: Trigonal planar Polarity

Postby Alex Tchekanov Dis 2k » Sat Dec 07, 2019 7:36 pm

Yes, if one of the attached atoms is different, it is polar.

Guzman_1J
Posts: 72
Joined: Wed Sep 18, 2019 12:16 am

Re: Trigonal planar Polarity

Postby Guzman_1J » Sun Dec 08, 2019 2:28 am

Alex Tchekanov wrote:Yes, if one of the attached atoms is different, it is polar.

So if all the atoms are the same, then it is nonpolar?

William Francis 2E
Posts: 101
Joined: Wed Sep 18, 2019 12:20 am

Re: Trigonal planar Polarity

Postby William Francis 2E » Sun Dec 08, 2019 2:34 am

Guzman_1J wrote:
Alex Tchekanov wrote:Yes, if one of the attached atoms is different, it is polar.

So if all the atoms are the same, then it is nonpolar?

I believe that if the three atoms attached to the central atom are the same, the molecule will be nonpolar because the three potential dipoles would cancel out. I look at it as vector addition if that helps.


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