bromination of arenes- diss con 4

bromination of arenes- diss con 4 - Marta Gebregziabher...

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Marta Gebregziabher Discussion and Conclusion : Free Radical Chain Reaction: Bromination of Arenes 1. A Free Radical reaction is a reaction involving the production of radicals from non radical atoms. Radicals are atoms, molecules, and or ions that have unpaired electrons. These atoms, molecules or ions with unpaired electrons are often very unstable and very reactive. Radicals are formed either through homolytic cleavage or heterolytic cleavage. Homolytic cleavage or hemolytic fission is the breaking of the chemical bond of a neutral atom, molecule or ion; in such a way that one electron is distributed to each atom there by creating radicals. The breaking of the bond is based on the bond dissociation energy, or BDE. One way to descried BDE is by referring to it as bond strength. Heterolytic cleavage or heterolytic fission the breaking of the chemical bond between two atoms, ions, or molecules, in such a way that cations and anions are generated. Heterlytic cleavage is also based on the BDE of a molecule. Free radicals chain reaction is a reaction that involved three distinct processes. a.
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This note was uploaded on 12/04/2009 for the course CHE 210 taught by Professor Swinnea during the Spring '08 term at University of Texas at Austin.

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bromination of arenes- diss con 4 - Marta Gebregziabher...

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