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13. I have seen the structure of triiodide ion (IX3X− I X 3 X −) but I cannot understand why this structure is even possible. I have seen in my textbook that. IX3X− I X 3 X − is formed by combination of IX2 I X 2 and IX− I X − ion in which IX− I X − ion acts as a donor and IX2 I X 2 molecule act as acceptor. It accommodates ...
The correct lewis structure puts the formal charge -1 on the center I, while I put the formal charge -1 on the side I (via a double bond, creating a resonance structure). I did this because I figured that the formal charge would be the best further away from electron densities (in this case, the other Is), minimizing e- repulsion.
I3- Lewis Structure. Postby Amy Luu 2G » Thu Nov 21, 2019 7:24 am. The solutions says the lewis structure should have the I connected by single bonds, all with 3 lone pairs. However, I drew the Lewis structure as three I in a linear line connected by a triple bond with the two I on the sides with two lone pairs and the I in the middle with one ...
Lewis Structure for I3-. Postby Melody Zhang 3L » Tue Dec 04, 2018 7:59 am. Iodine has 7 valence electrons, so at first, I allocated 3 lone pairs around each of the Iodines, with the central iodine having a formal charge of -1. However, I realized that I was taught to place the negative charge on the outside atoms whenever possible, so I made ...
For example, in the $\ce{I3-}$ ion (triiodide), the Lewis structure is the following: This gives a single formal negative charge to the central iodine. In my textbook, it says to remove formal charges from the central atom whenever possible, so couldn't we form a double bond with one iodine and therefore move the formal charge off of the ...
Re: Lewis and VSEPR for I3-. Postby spark99 » Fri Nov 16, 2018 7:23 am. The VSEPR model should be linear. As for the Lewis structure, you should have one of the iodine being a central atom with one bond to each iodine atom. The central atom has 3 lone pairs, and the other two iodine atoms also have 3 lone pairs. Top.
Question: Molecular Shape of I3- (Ch. 3, #3.11a) Postby amelia » Sun Oct 27, 2013 5:59 am. Question: "Write the Lewis structure, VSEPR formula, molecular shape, and bond angles for each of the following species: (a) I 3- ". The only part of the question that I do not understand is the bond angle. Since I 3- has a trigonal bipyramidal ...
The lewis structure for I3- has two iodines attached to the central iodine and three lone pairs on the central iodine. This gives you 5 regions of electron density around the central atom. This is a trigonal bipyramidal shape. The electron pairs repel each other to maximize their distance from one another, so they take up equatorial positions ...
Re: Textbook Question 2E.13 (I3-) Postby Alan Huang 1E » Mon Dec 07, 2020 8:07 am. I3- is linear when you look at the lewis structure of I3-. The central I atom has two bonded pairs of electrons with the two other I atoms and 3 lone pairs. This formation of 2 bonded pairs + 3 lone pairs is a linear molecular structure with 180 degree bond angles.
Problem 4.13 asks you to write the lewis structure, VSEPR formula, molecular shape, and bbond angles for each of the following species. (a) I3-. Why is I3- predicted to have a linear shape when there are 3 lone pairs on the central I?