Formal Report Exp 9 - 6351 Words

University of Santo Tomas Faculty of Pharmacy Organic Chemistry Laboratory APPLICATION OF DIFFERENT KINDS OF TEST TO CLASSIFY HYROXY- AND CARBONYL-CONTAINING COMPOUNDS Jane Catherine SP. Villanueva, Edenn Claudine C. Villaraza, Lorenz Oliver C. Villegas and Cristel Bernice T. Wee Group 10 2G-Medical Technology Organic Chemistry Laboratory ABSTRACT Hydroxyl group refers to a functional group containing OH- when it is a substituent in an organic compound. It is also known as the characteristic functional group of alcohols and phenols. On the other hand, carbonyl group refers to a divalent chemical unit consisting of a carbon and an oxygen atom connected by a double bond. It is known as the characteristic functional group of aldehydes†¦show more content†¦Other organic compounds that contain -OH groups but are not alcohols are phenol (C6H5OH) and acetic acid (CH3COOH). These compounds are not alcohols because they are acidic. The term alcohol, then, is another representation of a type of electronic structure in the molecules of substances. [3] [4] Phenols are aromatic compounds in which a hydroxide group is directly bonded to an aromatic ring system. They are very weak acids, and like alcohols, form ethers and esters. The main phenols are phenol itself, cresol, resorcinol, pyrogallol, and picric acid. Phenol itself (C6H5OH), also known as carbolic acid, is a white, hygroscopic crystalline solid, isolable from coal tar, but made by acid hydrolysis of cumene hydroperoxide, or by fusion of sodium benzenesulfonate with sodium hydroxide. Formerly used as an antiseptic, phenol has more latterly been used to make bakelite and other resins, plastics, dyes, detergents, and drugs. [4] [15] The hydroxyl- containing compounds used in the experiment were ethanol, n-butyl alcohol, sec-butyl alcohol, tert-butyl alcohol, isopropyl alcohol, and benzyl alcohol. Ethanol also known as ethyl alcohol is a clear, colorless liquid with a characteristic, agreeable odor. In dilute aqueous solution, it has a somewhat sweet flavor, but in more concentrated solutions it has a burning taste. Its low freezing point has made it useful as the fluid in thermometers forShow MoreRelatedAnalysis of the Case Law2222 Words   |  9 Pagesrelevant regulations contained detailed provisions as to the procedure to be followed where a report or allegations was received by the police authority from which it appeared that a chief constable might have committed an offence against the Discipline Code (set out in the regulations). According to the regulations the detailed procedure, which involved a formal hearing before a specially constituted tribunal, could only be dispersed with if the Chief ConstableRead Moretax notes15844 Words   |  64 Pages control in Aus to be an Aus resident. 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