R C O O H Carboxylic Acids Carboxyl group: - CO 2 H, -COOH Pure carboxylic acids form hydrogen bonded dimers • very high boiling points (higher than alcohols) H-bond donor H-bond acceptor + − − + R C O O H R C O O H Intermolecular forces: dipole-dipole, H-bonding
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Carboxylic Acids Carboxyl group: -CO 2 H, -COOH Pure carboxylic acids form hydrogen bonded dimers very high boiling points (higher than alcohols) H-bond.
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R C
O
O H
Carboxylic Acids
Carboxyl group: -CO2H, -COOH
Pure carboxylic acids form hydrogen bonded dimers
• very high boiling points (higher than alcohols)
H-bond donor
H-bond acceptor
+−
−
+
R C
O
O H
RC
O
OH
Intermolecular forces: dipole-dipole, H-bonding
Carboxylic Acid Nomenclature
• Parent chain: longest containing carboxyl group (COOH)