Sigma vs. Pi

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Lelija Kazlauskas 3J
Posts: 50
Joined: Thu Jul 11, 2019 12:16 am

Sigma vs. Pi

Postby Lelija Kazlauskas 3J » Sun Dec 01, 2019 10:36 pm

Theoretically, would a single sigma bond or a single pi bond be stronger?

zachary_nhem_4I
Posts: 57
Joined: Sat Aug 17, 2019 12:18 am

Re: Sigma vs. Pi

Postby zachary_nhem_4I » Sun Dec 01, 2019 10:38 pm

Sigma bonds are stronger because the two orbitals overlap, as opposed to a pi bond where the two orbitals are side by side.

TYun_1C
Posts: 52
Joined: Wed Sep 11, 2019 12:16 am

Re: Sigma vs. Pi

Postby TYun_1C » Sun Dec 01, 2019 10:40 pm

Sigma bonds are bonded to a greater extent because the orbitals are overlapping each other. This increased surface area of the bond makes it stronger than the side to side pi bonds.

Jacob Villar 2C
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Re: Sigma vs. Pi

Postby Jacob Villar 2C » Sun Dec 01, 2019 10:51 pm

Sigma bonds are stronger due to the orbital overlap.

JohannaPerezH2F
Posts: 94
Joined: Wed Sep 18, 2019 12:18 am

Re: Sigma vs. Pi

Postby JohannaPerezH2F » Sun Dec 01, 2019 10:52 pm

sigma bonds will be stronger since its an overlap

kendal mccarthy
Posts: 109
Joined: Wed Nov 14, 2018 12:22 am

Re: Sigma vs. Pi

Postby kendal mccarthy » Sun Dec 01, 2019 11:28 pm

Sigma bonds would be stronger because of the overlapping orbitals while pi bonds don't have this overlap.

pJimenez3F
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Joined: Wed Sep 18, 2019 12:18 am

Re: Sigma vs. Pi

Postby pJimenez3F » Mon Dec 02, 2019 12:05 am

Sigma bonds are stronger due to the orbitals overlapping

san_2F
Posts: 118
Joined: Sat Jul 20, 2019 12:15 am

Re: Sigma vs. Pi

Postby san_2F » Mon Dec 02, 2019 12:21 am

sigma bonds would be stronger

ShravanPatel2B
Posts: 100
Joined: Fri Aug 30, 2019 12:18 am

Re: Sigma vs. Pi

Postby ShravanPatel2B » Mon Dec 02, 2019 12:28 am

sigma bonds would be stronger because there is overlap in their orbitals

VioletKo3F
Posts: 103
Joined: Sat Sep 07, 2019 12:18 am

Re: Sigma vs. Pi

Postby VioletKo3F » Mon Dec 02, 2019 12:33 am

Sigma bonds are significantly stronger than pi bonds because of an overlap in orbitals.

HanaAwad_4B
Posts: 45
Joined: Fri Aug 30, 2019 12:18 am

Re: Sigma vs. Pi

Postby HanaAwad_4B » Mon Dec 02, 2019 12:40 am

Because of the overlap, sigma bonds are stronger. They are also more flexible, where pi bonds are more rigid.

SVajragiri_1C
Posts: 115
Joined: Thu Jul 11, 2019 12:16 am

Re: Sigma vs. Pi

Postby SVajragiri_1C » Mon Dec 02, 2019 11:20 am

Sigma bonds are stronger than pi bonds because if you look at the 3D diagram of the orbitals, the heads of the two p orbitals in a sigma bond overlap, where as a pi bond is simply the attraction of two parallel p orbitals. This overlap is why sigma bonds are stronger.

AnayaArnold_3L
Posts: 56
Joined: Wed Sep 18, 2019 12:19 am

Re: Sigma vs. Pi

Postby AnayaArnold_3L » Tue Dec 03, 2019 10:50 am

Are pi bonds weaker, because they stop the molecule from rotating and require a higher boiling point to be broken?

serenabirkhoff_1K
Posts: 63
Joined: Sat Aug 17, 2019 12:15 am

Re: Sigma vs. Pi

Postby serenabirkhoff_1K » Fri Dec 06, 2019 3:23 pm

Sigma bonds are stronger and this makes sense because if the molecule rotates pi bonds will be broken.

Alan Cornejo 1a
Posts: 98
Joined: Fri Aug 30, 2019 12:15 am

Re: Sigma vs. Pi

Postby Alan Cornejo 1a » Sat Dec 07, 2019 9:29 pm

zachary_nhem_4I wrote:Sigma bonds are stronger because the two orbitals overlap, as opposed to a pi bond where the two orbitals are side by side.


This response is correct as the overlapping of two P orbitals causes the stronger force.

Annie Ye
Posts: 106
Joined: Wed Sep 18, 2019 12:22 am

Re: Sigma vs. Pi

Postby Annie Ye » Sun Dec 08, 2019 5:20 pm

Sigma bonds are stronger because the orbitals overlap whereas for pi bonds, the orbitals can break when the molecule rotates.

Xavier Herrera 3I
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Joined: Wed Sep 30, 2020 9:37 pm

Re: Sigma vs. Pi

Postby Xavier Herrera 3I » Thu Nov 05, 2020 5:06 pm

Sigma bonds are stronger because they occur for single bonds or the first bond between atoms, allowing the orbitals to overlap on their ends and giving enough flexibility for the bond to rotate when the molecule rotates. Pi bonds occur on the second or third bond, so their orbitals overlap side to side, preventing the molecule from rotating without the bond breaking.

Jasraj Parmar 3H
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Joined: Wed Sep 30, 2020 9:44 pm

Re: Sigma vs. Pi

Postby Jasraj Parmar 3H » Thu Nov 05, 2020 5:19 pm

Sigma bonds are stronger because they allow for electron density to be more concentrated between the two nuclei. A pi bond also has a weaker covalent bond than a sigma bond.

Katelyn_Ortega_2B
Posts: 42
Joined: Wed Sep 30, 2020 10:00 pm

Re: Sigma vs. Pi

Postby Katelyn_Ortega_2B » Thu Nov 05, 2020 5:32 pm

Sigma is stronger than Pi bonds

Keshav Patel 14A 3B
Posts: 41
Joined: Wed Sep 30, 2020 9:40 pm

Re: Sigma vs. Pi

Postby Keshav Patel 14A 3B » Sun Nov 08, 2020 7:47 pm

Sigma bonds are much stronger because when they overlap each other, they have a higher strength. While Pi bonds are side by side thus having less connection and much less strength.

Ariel Guan 1G
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Re: Sigma vs. Pi

Postby Ariel Guan 1G » Wed Nov 11, 2020 7:44 pm

Sigma bonds are stronger because they overlap!


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