Geometric isomers as line structures

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Alina_Mitchell_2C
Posts: 13
Joined: Wed Sep 21, 2016 2:55 pm

Geometric isomers as line structures

Postby Alina_Mitchell_2C » Sun Mar 12, 2017 6:50 pm

How can you tell whether two geometric isomers are cis or trans based on their line structures alone?

Shruti Amin 1E
Posts: 13
Joined: Wed Sep 21, 2016 2:58 pm

Re: Geometric isomers as line structures

Postby Shruti Amin 1E » Sun Mar 12, 2017 7:55 pm

Hi!!!!!!!!!!!!!!!!!!!!!!!!

If the two highest priority groups are on the same side, then it's a cis geometric isomer.

If the two highest priority groups are on opposite sides, then it is a trans geometric isomer.

Page 16 in the Green textbook thingy at the bottom.

Caitlin Dillon 3G
Posts: 26
Joined: Wed Sep 21, 2016 2:56 pm

Re: Geometric isomers as line structures

Postby Caitlin Dillon 3G » Sun Mar 12, 2017 7:59 pm

Also, remember that Z groups are on zee zame zide!!!

Catherine Liu 1D
Posts: 9
Joined: Mon Oct 03, 2016 3:00 am

Re: Geometric isomers as line structures

Postby Catherine Liu 1D » Sun Mar 12, 2017 8:35 pm

Same, I am confused on this too. Does CH2 have higher priority over CH3?

Alina_Mitchell_2C
Posts: 13
Joined: Wed Sep 21, 2016 2:55 pm

Re: Geometric isomers as line structures

Postby Alina_Mitchell_2C » Sun Mar 12, 2017 9:05 pm

yes, but in a line structure, how do you know what is on the same side?


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