PPT-Alcohols,

Thiols Phenols And Ethers IUG Fall 2013 Dr Tarek Zaida 1 1 Alcohols Alcohols are derivatives of hydrocarbons in which 1 or more of the hydrogen atoms has been replaced by a hydroxyl OH . Starter:. Use molecular models to make various alcohol molecules. Keywords:. Esterification, elimination, ester, dehydration. Learning Objectives. A. Model the esterification of alcohols with carboxylic acids. Part 4: Reactions of Alcohols; Substitution . Rxns. Reactions of Alcohols. Combustion. General eq’n for an alcohol combusting completely in oxygen:. C. n. H. (2n+1). OH(l) + (2n+1)O. 2. (g) .  nCO. Write a definition. Write an equation of combustion for . the following alcohols:. Ethanol. Methanol. Propanol. Combustion – The process of burning by reacting a fuel with oxygen. C. 2. H. 5. OH . (l) . and how to identify them. 2. Classification. Primary. : carbon with –OH is bonded to one other carbon. Secondary. : carbon with –OH is bonded to two other carbons. Tertiary. : carbon with –OH is bonded to three other carbons. Definition. Nomenclature. Cyclic form of sugar. Optical isomerism. Glycosidic. link. Polysaccharides. Carbohydrate derivatives. Defination. Carbohydarte. are . polyhydroxy. . aldehydes,polydroxyketones. 1. Chapter 12. Alcohols from. Carbonyl Compounds. Oxidation-Reduction & Organometallic. Compounds. Ch. 12 - . 2. About The Authors. . These PowerPoint Lecture Slides were created and prepared by Professor William Tam and his wife, Dr. Phillis Chang. . Alcohol Reactions. 1. Dehydration - . elimination of water. water is eliminated from adjacent carbon atoms and a second bond is formed between the 2 carbon atoms. uses a large amount of alcohol and a small amount of acid (H. Preparation of alkenes. Preparation of alkenes continued. Dehydration of alcohols. The H and OH are removed from adjacent carbons.. E.g. ethanol may be heated with . sulphuric. acid to create . ethene. Thiols. , . and ethers. Nomencalture. of alcohols. Use the end . ol. Examples. . Hydrogen bonding in alcohols and phenols. Alcohols and phenols form hydrogen bonds, and hence they have relatively high boiling points. This also makes the lower alcohols miscible with water. As the R group becomes larger, the solubility of alcohols in water decreases dramatically.. Chapter . 13. Alcohols, Phenols, . Thiols. , and Ethers. Anesthesia is typically administered by a nurse anesthetist who provides care before, during, and after a medical procedure. A nurse anesthetist gives medications to keep a patient asleep and pain-free while monitoring the patient’s vital signs. st. 1439 . Learning. . Objectives. By the end of this chapter the student will:. . know the structure of alcohol. Knew the different classes of alcohols.. Knew the nomenclature of Alcohols . Knew the physical Properties. . Alcohols contain an OH group connected to a . a. saturated C (sp. 3. ). They are important solvents and synthesis intermediates. Phenols contain an OH group connected to a carbon in a benzene ring. Methanol, CH. Ch. 11.4. Combustion of alcohols . Alcohols undergo complete combustion to form carbon dioxide and water.. Denatured alcohol is a useful portable fuel (e.g. for camping stoves) as, unlike LPG, it does not need to be transported in heavy, specialized containers. It is also used as a solvent.. Most of the alcohols are known to be . colourless. liquids or even are said to behave as solid at room temperatures. Alcohols with less molecular weight are said to be highly soluble in water; and with their increase in molecular weight, they tend to become less soluble and their .