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lecture 5 - CHAPTER 5 Unsaturated Hydrocarbons Unsaturated...

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1 CHAPTER 5 CHAPTER 5 Alkenes: Alkenes: Structure and Structure and Nomenclature Nomenclature Unsaturated Hydrocarbons Unsaturated Hydrocarbons Unsaturated hydrocarbon: Unsaturated hydrocarbon: contains one or more carbon-carbon double or triple bonds Unsaturated Hydrocarbons Alkene: Alkene: contains a carbon-carbon double bond and has the general formula C n H 2n Ethylene (an alkene) H C C H H H Unsaturated Hydrocarbons Unsaturated Hydrocarbons Alkyne Alkyne: contains a carbon-carbon triple bond and has the general formula C n H 2n-2 Acetylene (an alkyne) . H-C C-H Unsaturated Hydrocarbons Unsaturated Hydrocarbons Arenes: Arenes: benzene and its derivatives (Ch 21- 22) Alternative representations for the phenyl group C 6 H 5 - Ph- (An arene) Benzene C C C C C C H H H H H H
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