Copyright © Houghton Mifflin Company. All rights reserved.3–13–1 11.1 Unsaturated Hydrocarbons Unsaturated hydrocarbons contain double bonds. Saturated.

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Presentation transcript:

Copyright © Houghton Mifflin Company. All rights reserved.3–13– Unsaturated Hydrocarbons Unsaturated hydrocarbons contain double bonds. Saturated hydrocarbons do not. The double bond is our first “functional group”, a portion of a molecule with a specific structure and associated properties.

Copyright © Houghton Mifflin Company. All rights reserved.3–23– Unsaturated Hydrocarbons Simple alkenes:

Copyright © Houghton Mifflin Company. All rights reserved.3–33– Unsaturated Hydrocarbons Simple alkenes:

Copyright © Houghton Mifflin Company. All rights reserved.3–43– Isomerism in Alkenes Geometric isomers of an alkene have substituents positioned differently about double bond. cis-trans-

Copyright © Houghton Mifflin Company. All rights reserved.3–53– Isomerism in Alkenes

Copyright © Houghton Mifflin Company. All rights reserved.3–63– Alkynes Alkynes have triple bonds (one  and two  bonds) between two carbons. Their reactions are similar to those of alkenes; they don’t form geometric isomers.

Copyright © Houghton Mifflin Company. All rights reserved.3–73– Aromatic Hydrocarbons Aromatic hydrocarbons have rings of six carbons that can be drawn with alternating double and single bonds. Actually, there are resonance structures for aromatics. The double bonds aren’t fixed.

Copyright © Houghton Mifflin Company. All rights reserved.3–83– Aromatic Hydrocarbons

Copyright © Houghton Mifflin Company. All rights reserved.3–93– Aromatic Hydrocarbons

Copyright © Houghton Mifflin Company. All rights reserved.3–10 Isomerism in Aromatic Hydrocarbons

Copyright © Houghton Mifflin Company. All rights reserved.3–11 Polycyclic, or Condensed Ring, Aromatic Hydrocarbons

Copyright © Houghton Mifflin Company. All rights reserved.3–12 Polycyclic, or Condensed Ring, Aromatic Hydrocarbons