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Carboxylic Acids

Carboxylic Acids. Write condensed structural formulas for and name organic acids . Include : uses and functions of common organic acids Additional KEY Terms. The functional group of carboxylic acids is the carboxyl group. general form: R – COOH

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Carboxylic Acids

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  1. Carboxylic Acids

  2. Write condensed structural formulas for and name organicacids. • Include: uses and functions of common organic acids • Additional KEY Terms

  3. The functional group of carboxylic acids is the carboxyl group. • general form: R –COOH • made up of two smaller functional groups carbonyl group O hydroxyl group R O H C O

  4. O O _ + R O R O O C H O C H • Properties of Carboxylic Acids: • Polar covalent: < 5C (small) are soluble in water • Strong IMF (H-bonding)gives high bp/mp • Weakacids that ionizewhen dissolved δ- δ+ (solid) (aqueous)

  5. Organic acids common in both plants and animals: • Sour taste in fruits (citric acid), vinegar (acetic acid) • Amino acids(proteins) are carboxylic acids • Fatty acids(fats) contain large carboxylic acids

  6. NAMING Carboxylic Acids • Name parent chain containing carboxyl group. • Replacing the – eending with – oic acid. • Numbering always begins with the carbon containing • the carboxyl group. methanoic acid formic acid (ant and bee stings)

  7. O // CH3-C \ OH O // CH3-CH2-CH2-C \ OH CH3COOH acetic acid (vinegar) ethanoic acid butanoic acid benzoic acid

  8. CH3 O // \ CH3-CH2-CH2-CH-C \ OH CH3CH(CH3)CH2CH2COOH 4-methylpentanoic acid

  9. CAN YOU / HAVE YOU? • Write condensed structural formulas for and name organicacids. • Include: uses and functions of common organic acids • Additional KEY Terms

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