Help with Confusion


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Kenan Kherallah 2C
Posts: 78
Joined: Fri Sep 28, 2018 12:17 am

Help with Confusion

Postby Kenan Kherallah 2C » Wed Nov 21, 2018 1:44 pm

So for Test #3, my TA started drawing sigma and pi bonds but I remember that Lavelle said that we don't need to know how to do this, but my TA said that we do in fact need to know how to do this for test #3.

Is this true?

Yousif Jafar 1G
Posts: 59
Joined: Thu May 10, 2018 3:00 am

Re: Help with Confusion

Postby Yousif Jafar 1G » Wed Nov 21, 2018 1:52 pm

I think we just need to understand the premises of pi and sigma bonds and the drawings allow you to see where they exist in 3D space.

Linyu Zeng 1H
Posts: 28
Joined: Fri Sep 28, 2018 12:19 am

Re: Help with Confusion

Postby Linyu Zeng 1H » Wed Nov 21, 2018 7:59 pm

I think we are not required to draw pi and sigma bonds in 3-D for Test 3. knowing why they form and their differences may be enough.

Brian Cook
Posts: 34
Joined: Fri Sep 28, 2018 12:15 am

Re: Help with Confusion

Postby Brian Cook » Wed Nov 21, 2018 8:17 pm

Yeah I think the main concepts of Sigma and Pi bonds that we need to know are that Sigma bonds are always the single bonds where two orbitals overlap, where in Pi bonds it's 2 p orbitals overlapping. So a double bond would have one Sigma and one Pi bond. Also one should note that Pi bonds don't allow bound atoms to rotate.

Jaifreen_Bhangu_3K
Posts: 34
Joined: Fri Sep 28, 2018 12:26 am

Re: Help with Confusion

Postby Jaifreen_Bhangu_3K » Thu Nov 22, 2018 1:19 pm

I don't believe that we will be required to draw sigma and pi bonds.

Rami_Z_AbuQubo_2K
Posts: 89
Joined: Thu Jun 07, 2018 3:00 am

Re: Help with Confusion

Postby Rami_Z_AbuQubo_2K » Thu Nov 22, 2018 7:58 pm

My TA also said that we might be tested on this too, but I think for the test, Dr.Lavelle will not be asking us about it. Regardless, prepare for it anyways in case.

Hannah Yates 1K
Posts: 59
Joined: Fri Sep 28, 2018 12:27 am

Re: Help with Confusion

Postby Hannah Yates 1K » Thu Nov 22, 2018 8:23 pm

I think the most important thing to know is to understand what makes something a sigma bond and what makes something a pi bond. I don’t think he would directly ask us to draw how they are bonded, more like ask us to explain how they are bonded. In order to explain, it could help to draw a picture.


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