VSEPR T-Shaped Molecular Geometry

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

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Samantha Pedersen 2K
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VSEPR T-Shaped Molecular Geometry

Postby Samantha Pedersen 2K » Mon Nov 23, 2020 4:36 pm

Hello, will we be expected to recognize T-shaped molecular geometry as one of the VSEPR shapes? Thank you!

Kailani_Dial_2K
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Re: VSEPR T-Shaped Molecular Geometry

Postby Kailani_Dial_2K » Mon Nov 23, 2020 4:39 pm

In a UA session they said that it was unlikly that super rare or odd model would be asked, but they are still available to be asked, so I would say yes

magalysantos_1F
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Re: VSEPR T-Shaped Molecular Geometry

Postby magalysantos_1F » Mon Nov 23, 2020 6:58 pm

Samantha Pedersen 2D wrote:Hello, will we be expected to recognize T-shaped molecular geometry as one of the VSEPR shapes? Thank you!

If it helps, you can recognize whether a VSEPR shape is T-shaped by seeing if it has 3 outer atoms connected to the central atom and 2 lone pairs on the central atom!

Rajshree 1F
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Re: VSEPR T-Shaped Molecular Geometry

Postby Rajshree 1F » Wed Nov 25, 2020 9:10 am

I believe so, it is a trigonal bipyramidal with two of the equatorial bonds replaced with lone pairs.

Pranav Daggubati 3C
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Re: VSEPR T-Shaped Molecular Geometry

Postby Pranav Daggubati 3C » Wed Nov 25, 2020 10:13 am

In most molecules this applies to, the first locations filled are axial positions. If a third atom takes an equatorial position and the other two equatorial are lone pairs, then the shape is t-shaped.

Anna Yang 1A
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Re: VSEPR T-Shaped Molecular Geometry

Postby Anna Yang 1A » Wed Nov 25, 2020 2:28 pm

So all T-shaped molecules have a notation of AX3E2? And ICl3 (from the textbook 2E.11) would be an example of such?

Nadya Higgins 3F
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Re: VSEPR T-Shaped Molecular Geometry

Postby Nadya Higgins 3F » Wed Nov 25, 2020 2:31 pm

My TA recommended that we know all the shapes plus the number of bonds and lone pair associated with them. Even if some don't show up on the final, it's better knowing than not knowing!

Ariel Guan 1H
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Re: VSEPR T-Shaped Molecular Geometry

Postby Ariel Guan 1H » Thu Nov 26, 2020 3:24 pm

I think it's just better to know it just in case. Even if there are no q's about it, it's probably good info to know anyway.


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