CHEM 0N01 Chapter Notes - Chapter 1: Undecane, Dodecane, Nonane
24 May 2016
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Hydrocarbons: aliphatic: hydrocarbons that don"t contain a benzene ring, aromatic: hydrocarbons that do contain a benzene ring. Has a single, double or triple bond. Main chain ~ longest chain of carbons. If you can have the same chain of carbons in different directions, choose the one with the most branches. Isomers: same molecular formulas but are different in another way. Structural isomers: same m. f but different in structure. If only one branch is attached to the ring, no carbon number is required. If there is a greater carbon chain, then the ring is considered a chain. 2 branches are attached: number whichever comes first alphabetical. 3 branches are attached: use the lowest # of carbons possible (total sum) All double bonded carbons must be within the main chain. Result from the fact that you rotate around a trigonal planer. *only cis/trans isomers when each carbon attached to the double bond is attached to 2 different things.
