CH 105 Notes Chapter 13

CH 105 Notes Chapter 13 - Chapter 13: Aldehydes and Ketones...

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Chapter 13: Aldehydes and Ketones Introduction Carbonyl Group – consists of a carbon atom bonded to an oxygen atom by a double bond Includes Aldehydes, Ketones, and carboxylic acids Ketones and Aldehydes have similar chemical properties PICTURE 13.1 Structure and physical properties Polar Boil at higher temperatures than hydrocarbons or ethers even if they have the same number of carob atoms or molecular weight (dipole-dipole attractions) Boiling points are lower than alcohols of the same molecular weight because they cannot form hydrogen bonds Can form intermolecular bonds with water Soluble – five or fewer carbons Insoluble – six or more carbons As the carbon chain increases the compounds become less polar and more hydrocarbon like Larger compounds are soluble in nonpolar organic solvents 13.2 IUPAC Nomenclature and common names (Aldehydes) 1. Determining the longest continuous carbon chain 2. Replace the final –e with –al 3. Number the chain beginning with the carbonyl carbon as carbon-1
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This note was uploaded on 04/07/2008 for the course CH 105 taught by Professor Schiner during the Spring '08 term at Alabama.

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CH 105 Notes Chapter 13 - Chapter 13: Aldehydes and Ketones...

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