HW #3.57b

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Sandeep Gurram 2E
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Joined: Fri Sep 25, 2015 3:00 am

HW #3.57b

Postby Sandeep Gurram 2E » Sun Oct 25, 2015 4:21 pm

Why is it that in the Lewis structure of the hydrogen sulfite ion, the sulfur is not attached to hydrogen? Instead, the sulfur is attached to three oxygens and the hydrogen is attached to one of the oxygens. Why is this?

Tiffany Jadidian_2I
Posts: 11
Joined: Fri Sep 25, 2015 3:00 am

Re: HW #3.57b

Postby Tiffany Jadidian_2I » Sun Oct 25, 2015 5:47 pm

This is from the solutions manual:
"Because H is electropositive, its placement near an oxygen atom makes it less likely for that oxygen atom to donate a lone pair to an adjacent atom."
Also, the arrangement of three oxygens attached to one sulfur, (with the hydrogen on one of the oxygens) seems to yield the most symmetrical layout.
Refer to this video:

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