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Homework 4.25

Posted: Sun Oct 30, 2016 4:59 pm
by Kelsey Jug 1J
When drawing CH2Cl2, how does one know to place the H molecules next to each other and Cl molecules next to each other, rather than drawing them across from each other so that the molecule is non polar?

Re: Homework 4.25  [ENDORSED]

Posted: Sun Oct 30, 2016 5:31 pm
by Adam Wojnar 1K
You're thinking about the molecule from a two dimensional point of view. Using VSEPR, the molecule is tetrahedral in shape. When looking at a tetrahedral molecule, you will see that the Cl atoms will always be next to each other and the H atoms will be next to each other, resulting in a molecule that is polar.

http://figures.boundless-cdn.com/13057/ ... -balls.png