Objectives To learn to name hydrocarbons with double and triple bonds

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Presentation transcript:

Objectives To learn to name hydrocarbons with double and triple bonds To understand addition reactions To learn about the aromatic hydrocarbons To learn to name aromatic compounds

A. Alkenes and Alkynes Alkenes – hydrocarbon containing carbon-carbon double bonds General formula CnH2n Alkynes – hydrocarbons containing carbon-carbon triple bonds General formula CnH2n - 2

A. Alkenes and Alkynes

A. Alkenes and Alkynes Reactions of Alkenes Addition reactions – new atoms form single bonds to the carbons formerly involved in a double or triple bond Hydrogenation – use H2 as the reactant to be added Halogenation – addition of halogen atoms Polymerization – joining of many small molecules to form a large molecule

B. Aromatic Hydrocarbons Aromatic hydrocarbons – cyclic unsaturated hydrocarbons with strong aromas

B. Aromatic Hydrocarbons Benzene – simplest aromatic hydrocarbon

C. Naming Aromatic Compounds Monosubstituted benzenes – use the substituent name as a prefix of benzene

C. Naming Aromatic Compounds Disubstituted benzenes – use numbers to indicate the position of substituents and the substituent name as a prefix of benzene

C. Naming Aromatic Compounds Complex aromatic molecules

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