Ochem Lab

EXPERIMENT 8 (Organic Chemistry II) Pahlavan/Cherif Carboxylic Acids Reactions and Derivatives Materials Beakers (50, 150, 400 mL) gradational cylinders (10, 25-mL) Medium test tubes (6) Test tube rack fruitcake Hot plate Chemicals benzoic acid 10% NaOH atomic number 11 acetate Methanol conc. H2SO4 Acetamide Butanol Acetyl chloride red ink/Blue litmus paper 10% H2SO4 pH papers Salicylic acid Purpose Study the Carboxylic acids and their derivatives with superstar or more than carbonyl groups. Reactions such as make-up and hydrolysis of carboxyl salts and esterification. This experiment pass on illustrate some of the more meaning(a) reactions of carboxylic acids and their derivatives. Introduction . Carboxylic acids contain one or more carboxyl functional groups (-COOH). The IUPAC nomenclature drops the ( -e ) of the suffix of the Alkane ameliorate oneself and adds ( -oic acid), review the name of the first ten alkanes and conve rt these label to the corresponding carboxylic acid. The carboxyl functional group is polar, some(prenominal) at the carbonyl fork and at the hydroxyl radical radical arse around because of the difference in electronegativity value of carbon - flake O, and oxygen - henry.

Thus carboxylic acids form hydrogen alinement with themselves and every different appropriate polar molecule, and this structure im mapping influence their visible properties and their chemical properties as we have seen in other cases. rase that if the number of total carbons is more than one, for case six, then quintet of the ca rbons are hydrocarbons and non-polar. The re! sulting molecule then has a hydrophilic character (the carboxyl group) and a hydrophobic part (the other five carbons with their associated hydrogen atoms). One area will be soluble in body of water and the other not soluble in water. Note also that the hydrocarbon part has much reduced carbon. The carboxyl group differs from a hydroxyl group in having a delocalized negative charge and th is results in resonance stability. Note this means that either oxygen...If you esteem to get a full essay, order it on our website: OrderCustomPaper.com

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