Chapter6

Chapter6 - Chapter 6 When Nucleophiles A/ack C-X Bond...

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Chapter 6 When Nucleophiles A/ack
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C-X Bond Strength and X Size P orbital from the halogen overlaps with the sp 3 orbital on the carbon center The larger and more diffuse the p orbital in question, the weaker the bond because the poorer the overlap. C-X Bond Strength: F > Cl > Br > I This correlates well with a decrease in percentage of overlap. As we move to larger halogens the boiling point increases because the molecules are more polarizable leading to greater London dispersion forces.
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In 1896 Paul Walden (Germany) discovered an interconversion of stereochemistry when enantiomerically pure starting materials switched optical activity upon reaction. The story of what happens when one nucleophile replaces another one. Functional group is changed in the molecule. Nucleophiles may be charged or uncharged, and products may be charged or uncharged. Wide range of functionality can be introduced utilizing S
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Chapter6 - Chapter 6 When Nucleophiles A/ack C-X Bond...

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