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CH19 April 4 - Nitriles Nomenclature 1 Open chain nitriles...

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Nitriles: Nomenclature 1. Examples: 2. Examples: Open chain nitriles are named by adding the suffix "­nitrile" to the alkane name. The nitrile carbon is carbon 1 in the parent chain More complex structures can be named as deivatives of carboxylic acids Replace the "­ic acid" or "­oic acid" endings with "­onitrile" You can also replace "­carboxylic acid" with "­carbonitrile" Title: Jul 18 ­ 9:07 AM (1 of 13)
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Structure and Physical Properties of Carboxylic Acids Hydrogen Bonding: Intermolecular Cohesion Carboxylic acids show strong intermolecular association (attraction) due to H­ bonding (similar to alcohols) Strong H­bonding has a quantifiable effect on boiling points Carboxylic acids boil at higher temperatures than corresponding alcohols Title: Jul 18 ­ 9:10 AM (2 of 13)
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Relative Acidity of Carboxylic Acids: Dissociation in Water: Relative Acidity Comparison: They react with NaOH and NaHCO 3(and other similar bases) to form metal carboxylate salts Carboxylic acids with more than six carbons are not very soluble in H 2O Metal salts, however, are soluble in aqueous solutions Title: Jul 18 ­ 9:18 AM (3 of 13)
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Resonance Stabilization of Carboxylate Anions: Title: Jul 18 ­ 9:25 AM (4 of 13)
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