II Alkanes, Alkenes, and Alkynes
II Alkanes, Alkenes, and Alkynes
II Alkanes, Alkenes, and Alkynes
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• Properties of <strong>Alkenes</strong> <strong>and</strong> <strong>Alkynes</strong>- NO rotation around double <strong>and</strong> triple bonds- Similar to <strong>Alkanes</strong> (bp <strong>and</strong> mp)• Isomerismcis <strong>and</strong> trans:If you have four different substituents around a double bond cis/trans does not workE/Z Nomenclature:• Each substituent is assigned a priority• The substituent with the highest priority on each carbon is determined• If these substituents are on the same side of the molecule, the configuration is Z(zusammen (meaning together))• If these substituents are opposite from each other, the configuration is E(entgegen (meaning opposite))13
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