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The SN2 reaction
| Institution | UNIVERSITY |
| Course | BACHELOR OF SCIENCE... |
| Year | 4th Year |
| Semester | Unknown |
| Posted By | stephen oyake rabilo |
| File Type | |
| Pages | 13 Pages |
| File Size | 190.14 KB |
| Views | 1741 |
| Downloads | 0 |
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Description
The hydroxide ion is a good nucleophile since the oxygen atom has a negative charge and a pair of unshared electrons.
The carbon atom is electrophilic since it is bound to a (more electronegative)
halogen, which pulls electron density away from the carbon, thus polarizing the
bond with carbon bearing partial positive charge and the halogen bearing partial negative charge.
The nucleophile is attracted to the electrophile by electrostatic charges.
The nucleophile attacks the electrophilic carbon through donation of 2 electrons. Carbon can only have a maximum of 8 valence electrons, so as the carbon nucleophile bond is forming, then the carbon-leaving group bond must be breaking. Iodide is the leaving group since it leaves with the pair of electrons that once bound it to carbon.
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