2_2 - Chapter 15 Oxygen is a Group VIA Element Therefore...

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2/1/2010 1 Chapter 15 Oxygen is a Group VIA Element Therefore, oxygen possess six valence electrons. To complete its octet, oxygen needs to share an additional two electrons. It can form either two single bonds or a double bond.
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2/1/2010 2 Carbonyl group: A carbon atom double-bonded to an oxygen atom. Aldehydes and ketones are the compounds which contain a carbonyl functional group Carbon-oxygen and carbon-carbon double bonds differ in a major way. C=O bond is polar (oxygen gets partial negative and carbon gets partial positive charge) C=C is nonpolar. Chapter 15 C O C O d + d - C O C O 120 o 120 o 120 o All carbonyl groups have a trigonal planar structure.
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2/1/2010 3 Aldehydes: Carbonyl is attached to at least one H atom in aldehydes Ketones: Carbonyl is directly attached with two carbon atoms in ketones Carboxylic acids: carbonyl carbon atom bonded to a hydroxyl group. Esters: carbonyl carbon atom bonded to an oxygen atom
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This note was uploaded on 05/05/2010 for the course CHM 1031 taught by Professor Gow during the Spring '09 term at University of Florida.

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2_2 - Chapter 15 Oxygen is a Group VIA Element Therefore...

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