2013 Final question 5C  [ENDORSED]

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2013 Final question 5C

Postby Madeline_Foo_3J » Sun Mar 12, 2017 8:15 pm

I'm confused as to why it says this reaction is a SN2 reaction when the two molecules are being added together?

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Re: 2013 Final question 5C  [ENDORSED]

Postby Chem_Mod » Sun Mar 12, 2017 8:55 pm

It is the mechanism in which the molecule is being added. SN just stands for substitution, nucleophilic. Thus SN1 and SN2 are both nucleophilic substitutions. They just undergo different mechanisms, and will compete, as well as give different products.

SN2 will have a rate determining step that includes the interaction of two species, the substrate and the nucleophile, as opposed to SN1, where the rate determining step is unimolecular.

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