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Mobile App Chapter 11: Q48E (page 350)
Question: (R)-2-Bromooctane undergoes racemization to give ()-2-bromooctane when treated with NaBr in dimethyl sulfoxide. Explain.
Short Answer
Answer:
Step by step solution
SN2 reaction
It is a nucleophilic substitution reaction in which an old bond is broken and a new bond has formed both processes occur simultaneously. Hence, it’s a single-step reaction.
The two reacting species are involved in the rate-determining steps.
Definition of Nucleophiles and Stereochemistry
Nucleophiles are the negatively charged ions or the neutral species having the lone pair of electrons that are ready for bonding.
Stereochemistry - It is a study of the arrangement of atoms in a space that forms a molecule.
Chemical reaction
When the 2 bromooctane react 50% then leads to the formation of 50% of R and 50% of S in the reaction. Thus, the reacting species is completely racemized.
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