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 grump Hot plate Chemicals benzoic acid 10% NaOH sodium acetate Methanol conc. H2SO4 Acetamide Butanol Acetyl chloride ruddy/Blue litmus cover 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 exit illustrate some of the more meaning(a) reactions of carboxyl 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 let off oneself and adds ( -oic acid), review the name of the first ten alkanes and convert these label to the cor responding carboxylic acid. The carboxyl functional group is polar, some(prenominal) at the carbonyl fork and at the hydroxyl radical bourgeon because of the difference in electronegativity value of carbon - flake O, and oxygen - henry.

Thus carboxylic acids form hydrogen attach with themselves and every other(a) appropriate polar molecule, and this structure leave behind 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 physical exercise six, then quintet of the carbons are hydrocarbons an d non-polar. The resulting molecule then has! a hydrophilic fragment (the carboxyl group) and a hydrophobic neighborhood (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 gaze to get a full essay, order it on our website: OrderCustomPaper.com

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