Conceptual Question


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Kimberly 1H
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Joined: Fri Sep 28, 2018 12:17 am
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Conceptual Question

Postby Kimberly 1H » Sun Nov 18, 2018 12:04 pm

What is the significance of learning about hybridization and sigma vs. pi bonds? Does it affect the chemical or physical properties of the molecule in any way?

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

Re: Conceptual Question

Postby Sierra Cheslick 2B » Sun Nov 18, 2018 12:48 pm

Yes, sigma bonds allow bound atoms to rotate (as they are only bonded with a single bond) whereas pi bonds do not allow bound atoms to rotate (as they are bonded with a double bond). Since pi bonds don't allow atoms to rotate, these bonds are more rigid.

Brice McKeown 3D
Posts: 35
Joined: Fri Sep 28, 2018 12:25 am

Re: Conceptual Question

Postby Brice McKeown 3D » Sun Nov 18, 2018 1:12 pm

Knowing the difference between sigma and pi bonds allows you also to know better the distribution of electron density! With pi bonds, there is electron density on either side of the internuclear axis but with the sigma bonds, there's cylindrical symmetry around the axis!


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