Sigma and Pi bond question


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Natalie Yakobian
Posts: 45
Joined: Fri Sep 25, 2015 3:00 am

Sigma and Pi bond question

Postby Natalie Yakobian » Sat Oct 31, 2015 6:09 pm

For C2H4 a Carbon Carbon double bond why is the sigma bond (C2sp^3,C2sp^3) and the Pi bond (C2P, C2P)?

Sophia Xu 3F
Posts: 21
Joined: Fri Sep 25, 2015 3:00 am

Re: Sigma and Pi bond question

Postby Sophia Xu 3F » Sat Oct 31, 2015 9:18 pm

Hi,
The sigma bond should be Csp2-Csp2, not Csp3-Csp3. Each 3 has 3 regions of e- density so there are 3 hybrid orbitals for each C. They also each has an unhybridized p orbital that forms a pi bond with each other.
Hope this helps!


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