Molecular Shape of I3-

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

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Sierra Cheslick 2B
Posts: 61
Joined: Fri Sep 28, 2018 12:27 am

Molecular Shape of I3-

Postby Sierra Cheslick 2B » Sun Nov 11, 2018 2:25 pm

Why is the molecular shape of I3- described as linear with bond angles of 180 degrees when the central iodine atom has 3 lone pairs in addition to the two bonds? Why isn't it trigonal bipyramidal?

Jane Burgan 1C
Posts: 73
Joined: Fri Sep 28, 2018 12:15 am

Re: Molecular Shape of I3-

Postby Jane Burgan 1C » Sun Nov 11, 2018 3:13 pm

I wasn't sure of this question either so as I was looking up different information I found this question was asked in an older chemistry community post! Here's the link :)


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