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Organic Chemistry The study of carbon-containing compounds and their properties. The vast majority of organic compounds contain chains or rings of carbon atoms.
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Bonds
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Hydrocarbons... compounds composed of carbon and hydrogen. SaturatedSaturated: carbon-carbon bonds are all single - alkanes [C n H 2n+2 ]
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Hydrocarbons (continued) UnsaturatedUnsaturated: contains carbon-carbon multiple bonds.
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Types of Hydrocarbons
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Rules for Naming Alkanes 1.For alkanes beyond butane, add -ane to the Greek root for the number of carbons. C-C-C-C-C-C = hexane 2.Alkyl substituents: drop the -ane and add -yl. -C 2 H 5 is ethyl
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Rules for Naming Alkanes 3.Positions of substituent groups are specified by numbering the longest chain sequentially. C C-C-C-C-C-C 3-methylhexane 4.Location and name are followed by root alkane name. Substituents in alphabetical order and use di-, tri-, etc.
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Alkanes
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Hydrocarbons
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Cyclic Alkanes Carbon atoms can form rings containing only carbon-carbon single bonds. C 3 H 6, C 4 H 8, C 6 H 12
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Alkenes and Alkynes Alkenes: hydrocarbons that contain a carbon- carbon double bond. [C n H 2n ] C C=C propene Alkynes: hydrocarbons containing a carbon- carbon triple bond. C C C C C 2-pentyne
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Nomenclature for Alkenes 1.Root hydrocarbon name ends in -ene C 2 H 4 is ethene 2.With more than 3 carbons, double bond is indicated by the lowest numbered carbon atom in the bond. C=C C C is 1-butene
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Aromatic Compounds
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Refinery Processes Cracking: large molecules broken down to smaller ones by breaking carbon-carbon bonds. Pyrolysis (thermal cracking): The process that produces cracking at high temperatures. Catalytic Cracking: Cracking at lower temperatures. Catalytic reforming: Alkanes and cycloalkanes converted to aromatic compounds.
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Reactions and Functional Groups A special class of cyclic unsaturated hydrocarbons. + Cl 2 + HCl benzeneChlorobenzene
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The Common Functional Groups ClassGeneral Formula HalohydrocarbonsR X AlcoholsR OH EthersR O R Aldehydes
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The Common Functional Groups ClassGeneral Formula Ketones Carboxylic Acids Esters AminesR NH 2
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Functional Groups
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Naming
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Naming
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Naming
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Naming
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Naming
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Naming
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Polymers...are large, usually chainlike molecules that are built from small molecules called monomers. MonomerPolymer EthylenePolyethylene Vinyl chloridePolyvinyl chloride TetrafluoroethyleneTeflon
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Types of Polymerization Addition Polymerization: monomers “add together” to form the polymer, with no other products. (Teflon) Condensation Polymerization: A small molecule, such as water, is formed for each extension of the polymer chain. (Nylon)
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Enantiomers
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