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Hydrogenation

Organic Chapter 9 ppt

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Chemistry
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Alkyne
Hydroboration–oxidation reaction
Alkene
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Ozonolysis
Acetylene
Hydrogenation

Chapter 9 Alkynes Organic Chemistry, 6th Edition L. G. Wade, Jr. Chapter 9 * Introduction Alkynes (a.k.a. acetylenes) contain a triple bond. General formula is CnH2n-2. Two elements of unsaturation for each triple bond. Some reactions are like alkenes: addition and oxidation. Some reactions are specific to alkynes. Chapter 9 Alkynes in Nature Chapter 9 * Nomenclature: IUPAC Find the longest chain containing the triple bond. Change -ane ending to -yne. Number the chain, starting at the end closest to the triple bond. Give branches or other substituents a number to locate their position. => Chapter 9 Chapter 9 * Name these: propyne 5-bromo-2-pentyne

Organic Chapter 7 ppt

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Chemistry
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Chemistry
Functional Groups
Stereochemistry
Isomerism
Organic compounds
Alkenes
Cis–trans isomerism
Hydrogenation
Elimination reaction
Butene
Double bond
Cyclohexane conformation

Chapter 7 Structure and Synthesis of Alkenes Jo Blackburn Richland College, Dallas, TX Dallas County Community College District ? 2006, Prentice Hall Organic Chemistry, 6th Edition L. G. Wade, Jr. Chapter 7 * Introduction Hydrocarbon with carbon-carbon double bonds Sometimes called olefins Term derived from olefiant gas meaning ?oil-forming gas? Originates with early experiments and the oily appearance of alkene derivatives Chapter 7 Chapter 7 * Characteristics Among most important industrial compounds and found in many plants and animals Ethylene ? a.k.a. ethene largest volume industrial organic compound used to make polyethylene and others Pinene ? major component of turpentine ? paint solvent distilled from extracts of evergreen trees Chapter 7 Chapter 7 *

Psyc Ch. 6

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Psychology
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Human development
behavior
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Alkenes are commonly described as unsaturated hydrocarbons because they have the capacity to react with substances that add to them. Alkanes, on the other hand, are saturated hydrocarbons and are incapable of undergoing addition reactions. 6.1 Hydrogenation of Alkenes The relationship between reactants and products in addition reactions can be illustrated by the hydrogenation of alkenes to yield alkanes. Hydrogenation is the addition of H 2 to a multiple bond, as illustrated in the conversion of ethylene to ethane. The reaction is exothermic and is characterized by a negative sign for ?H?. Indeed, hydrogenation of all alkenes is exothermic. The heat given off is called the heat of hydrogenation and cited without a sign. In other words, heat of hydrogenation = -?H?.
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