Cis and trans in line structures

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Keirsten Andersen 3L
Posts: 33
Joined: Fri Sep 25, 2015 3:00 am

Cis and trans in line structures

Postby Keirsten Andersen 3L » Sun Mar 06, 2016 3:59 pm

I understand what cis and trans molecules refer to but how did Dr Lavelle know that the second line structure on page 105 of our course reader is trans just by looking at it? I have drawn the Lewis structure and am still unsure.

VictoriaRoderick_3A
Posts: 42
Joined: Fri Sep 25, 2015 3:00 am

Re: Cis and trans in line structures

Postby VictoriaRoderick_3A » Sun Mar 06, 2016 6:36 pm

Take the page and turn it slightly to the right. From the carbon-carbon double bond, there a C and H on the same side. The C has higher priority than H, making is trans- or E-.


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