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4: Alkanes and Cycloalkanes

Last updated

Jun 23, 2019
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- 3.E: Acids and Bases (Exercises)
- 4.1: 3.5 Properties of Alkanes

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Topic hierarchy

4.1: 3.5 Properties of Alkanes
Alkanes are not very reactive and have little biological activity; all alkanes are colorless and odorless.
4.2: 3-1 Conformations of open-chain organic molecules
- 4.2.1: Alkanes and Their Stereochemistry
4.3: 3-2 Conformations of cyclic organic molecules
Browse through a biochemistry textbook and you will see any number of molecules with cyclic structures. Many of these cyclic structures are aromatic, and therefore planar. Many others, though, are composed of sp3-hybridized atoms, and it is these cyclic structures that are the topic of discussion in this section.
- 4.3.1: Conformations of Cyclohexane
4.4: Introduction to Alkanes
4.5: Nomenclature of Alkanes
4.6: Constitutional Isomers of Alkanes
4.7: Relative Stability of Isomeric Alkanes
4.8: Sources and Uses of Alkanes
4.9: Drawing Newman Projections
4.10: Cycloalkanes
4.11: Conformations of Cyclohexane
4.12: Drawing Chair Conformations
4.13: Monosubstituted Cyclohexane
4.14: Disubstituted Cyclohexane
4.15: cis-trans Stereoisomerism
4.16: Polycyclic Systems
4.17: 4-1 Naming Alkanes
4.18: 4-2 Naming Cycloalkanes
4.19: 4-3 Cis-Trans Isomerism in Cycloalkanes
4.20: 4-4 Alkanes and Alkane Isomers
Alkanes are organic compounds that consist entirely of single-bonded carbon and hydrogen atoms and lack any other functional groups. Alkanes have the general formula CnH2n+2 and can be subdivided into the following three groups: the linear straight-chain alkanes, branched alkanes, and cycloalkanes. Alkanes are also saturated hydrocarbons. Cycloalkanes are cyclic hydrocarbons, meaning that the carbons of the molecule are arranged in the form of a ring.
4.21: 4-5 Combustion. Heats of Reaction. Bond Energies
All hydrocarbons are attacked by oxygen at elevated temperatures and, if oxygen is in excess, complete combustion occurs to carbon dioxide and water. The heat evolved in this process - the heat of the combustion reaction, is a measure of the amount of energy stored in the C-C and C-H bonds of the hydrocarbon COMPARED to the energy stored in the products, carbon dioxide and water.
4.E: Alkanes and Cycloalkanes (Exercises)

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