Symmetry of trans 2-butene

[sugarbabee0]

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cis 2-butene is more polar than trans 2-butene and therefore has a higher boiling point... trans 2-butene is more "symmetrical" however and this makes it have a higher MELTING point because it can pack together....

I dont understand how trans is more symmetrical than cis... Where is the plane of symmetry. It would look to me that cis is more symmetrical.

 

[Rabolisk]

Pictures are worth thousand words.

http://en.wikipedia.org/wiki/Trans_fat

 

[Pons Asinorum]

Pictures are worth thousand words.

http://en.wikipedia.org/wiki/Trans_fat

Great find.