Question

What geometric isomers are possible for 2-octene?

Answer 1

And we could draw the molecular formula as.......

H31C−2CH=3CH4CH25CH26CH27CH28CH3

At 2C we insert the olefinic bond, the so-called site of unsaturation. And we note that molecule would support geometric isomerism in that the double bond generates cis and trans isomers about C2, C3.

What would we call......

H21C=2CH23CH24CH25CH26CH27CH28CH3

Would this molecule be isomeric?

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Answer 2

Geometric Isomers. Geometric isomers are two or more coordination compounds which contain the same number and types of atoms, and bonds (i.e., the connectivity between atoms is the same), but which have different spatial arrangements of the atoms.