I3- molecular shape

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Sarah Fatkin 4I
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Joined: Fri Sep 28, 2018 12:27 am

I3- molecular shape

Postby Sarah Fatkin 4I » Thu Nov 22, 2018 11:35 am

Hi Chemistry Community! Is I3- bent or linear shape? It seems like it should be bent, because one side has 2 lone pairs, whereas the other only has one; however, it could be like tetrahedral. Thanks!

Posts: 68
Joined: Fri Sep 28, 2018 12:24 am

Re: I3- molecular shape

Postby Henry_Phan_4L » Thu Nov 22, 2018 11:44 am

Is it three iodine atoms or an iodine ion with -3 charge?
I think the molecule would be bent because there are lone pairs on the middle iodine atom.

Atul Saha 3D
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Joined: Fri Sep 28, 2018 12:25 am

Re: I3- molecular shape

Postby Atul Saha 3D » Thu Nov 22, 2018 11:53 am

In this instance, the lone pairs on the central atom would create a bent shape. Essentially, the lone pairs would repel the bonds to create an angle that would approximate to around 120˚.

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