hydrocarbons-summary - Hydrocarbons IUPAC names There are...

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Hydrocarbons: IUPAC names There are common names for many organic compounds. For example: methyl alcohol, acetylene, acetic acid, etc. Yet, there are an infinite number of possible organic structures. Thus, it is important to name them in a systematic way. The purpose of IUPAC names is to provide a set of rules so that the structure of a compound can be discerned from its name, and vise-versa. Hydrocarbons (C and H only) Saturated Unsaturated Aromatic All single bonds At least one double or triple bond Contains a benzene ring Formula: C n H 2 n +2 Alkene 1 double bond C=C Prefixes for # of carbons Formula: C n H 2 n 1 meth- 6 hex- Alkynes 2 eth- 7 hept- 1 triple bond C C 3 prop- 8 oct- Formula: C n H 2 n -2 4 but- 9 non- -dienes 5 pent- 10 dec- 2 double bonds C=C=C not necessarily in a row cyclo = ring -trienes n = normal (straight chain) – not IUPAC 3 double bonds C=C=C=C iso = branched – not IUPAC not necessarily in a row Symbol: C C
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This note was uploaded on 04/12/2011 for the course CHEM 1010 taught by Professor Marshall during the Spring '11 term at North Texas.

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