double bonds

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Ruohan Sun 3I
Posts: 19
Joined: Fri Sep 29, 2017 7:07 am

double bonds

Postby Ruohan Sun 3I » Sun Nov 19, 2017 10:49 pm

why do double bonds contain one sigma bond and one pi bond?

Gurshaan Nagra 2F
Posts: 49
Joined: Thu Jul 27, 2017 3:01 am

Re: double bonds

Postby Gurshaan Nagra 2F » Sun Nov 19, 2017 10:59 pm

Because when two atoms are bound by more than one covalent bond, then the additional orbitals overlap side by side to form pi bonds. And a double bond has one sigma bond and one pi bond.

James Nguyen 3G
Posts: 19
Joined: Sat Jul 22, 2017 3:00 am

Re: double bonds

Postby James Nguyen 3G » Sun Nov 19, 2017 11:57 pm

The pi bond is created by the overlap between the orbitals that are brought together by the sigma bond.

Jorge Gomez3F
Posts: 12
Joined: Fri Sep 29, 2017 7:07 am

Re: double bonds

Postby Jorge Gomez3F » Mon Nov 20, 2017 8:02 am

When two atoms are bound by more than one covalent bond, the remaining orbitals overlap and form a pi bond

AtreyiMitra2L
Posts: 169
Joined: Fri Sep 29, 2017 7:03 am
Been upvoted: 1 time

Re: double bonds

Postby AtreyiMitra2L » Sat Nov 25, 2017 1:09 pm

Let's look at the example of O2. The hybridization of O is sp2. Therefore, you know that 3 hybrid orbitals that are sp2. The last orbital is p. The hybrid orbitals make sigma bonds and the non hybrid orbitals make pi bonds.

Erik Khong 2E
Posts: 50
Joined: Fri Sep 29, 2017 7:07 am

Re: double bonds

Postby Erik Khong 2E » Sun Nov 26, 2017 10:15 pm

The first bond between two atoms IS ALWAYS a sigma bond. Any other extra bonds are pi bonds.


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