4.9

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Nha Dang 2I
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Joined: Fri Sep 29, 2017 7:07 am

4.9

Postby Nha Dang 2I » Thu Nov 30, 2017 3:53 am

4.9 (a) What is the shape of an ICl3 molecule (iodine is the central atom)? (b) What value is expected for the ClICl bond angle?

When we finish filling up the octet, we can just put the extra electrons on the central atom? How does this work?

Clara Hu 1G
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Re: 4.9

Postby Clara Hu 1G » Thu Nov 30, 2017 10:39 am

Iodine has d-orbitals so it has an expanded octet and can accommodate more than 8 valence electrons. ICl3 is T-shaped because it has 5 areas of electron density with 2 lone pairs, and the Cl-I-Cl bond angle is less than 90 degrees because of the repulsion from the lone pairs.


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