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Carboxylic Acids Presentation

A presentation on basic carboxylic acids, uses and how to name them.

Connor Bruce

on 18 April 2013

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Transcript of Carboxylic Acids Presentation

Nomenclature Lactic Acid Carboxyl Group Acetic Acid Oxalic Acid A carboxyl group is the general functional group of carboxylic acids! Carboxyl groups consist of.. A hydroxy group! (-OH) And a carbonyl group! (-C = O) O Carboxyilic Acids As presented by: Connor, Zachary, Stephanie and Simon Properties of carboxylic acids Each have a distinct smell! Are similar to alcohol in solubility! Can be distinguished by a litmus test Have higher melting points due to increased molecular attractions of the polar -COOH groups. Form organic salts in neutralization reactions with organic bases! Form hydrogen bonds with water molecules, and other carboxylic acids! References:
Kessel, V.K. Jekins, F.J. Davies, L.D. Plumb, D.P. Guiseppe, M.G. lantz, O.L. Tompkins, D.T. (2003). Nelson: Chemistry 12. Toronto Ontario: Kevin Martindale Provides a sour or tangy flavour when present in foods! 2. Use the appropriate prefix (meth-, eth-, etc) 3. Add the suffix of "-anoic acid"
Example: the simplest carboxylic acid is methanoic acid
OH 4. Acids with a carboxyl group at each end of the parent chain use the suffix "-anediotic acid"
Example: HOOC-CH2-COOH is named propanediodic acid 5. When more carboxyl groups are present, all COOH groups may be named as substituents on the parent chain. The carbons in these groups are not included in the parent chain. Example: citric acid, or 2-hydroxypropane-1,2,3-triboxilic acid 1. Count and number the carbons in the longest (parent) chain

* Include the carbon in the carboxyl group
* A carboxyl group take precedence over alkyl groups and double bonds when numbering Citric Acid Uses of Carboxylic Acids In law enforcement tracking dogs use the carboxylic acids in a persons sweat to find them! Ethanoic acid is the result of the reaction occurring in the production of wine vinegar! Ethanoic acid is also used in the dying process of textile industries! Methanoic acid is used in the production of rubber! Formic Acid Tartaric Acid Activity Your task is to construct the following carboxylic acids from the molecular model kits: 1. propanoic acid 2. 2,2-dimethylbutanoic acid 3. 2-hydroxypropane- 1,2,3-tricarboxylic acid
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