Determining whether a reaction will occur by a nucleophilic substitution (unimolecular, SN1, or bimolecular, SN2) or elimination (unimolecular, E1, or bimolecular, E2) is one of the hardest concepts to master for novice organic chemistry students. This video pares it down to a few simple guidelines!

Discussion of haloalkane structure and types of nucleophiles. Steric hinderance/sterics, carbocation stability, and nucleophilicity all play important roles in differentiating between these four mechanisms.

Nucleophilic Substitution Review: [ Ссылка ]
SN2 Sterics: [ Ссылка ]
Temperature (Entropy) Effects: [ Ссылка ]
Solvent Effects: [ Ссылка ]

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