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Leah4sci.com/SNE presents: Choosing between SN1 SN2 E1 E2 reactions using a SIMPLE checklist rather than a confusing flowchart. This video shows you how to analyze each of your givens to quickly rule out reactions that cannot take place making it very obvious which direction the reaction will go between Substitution and Elimination, First or Second order (1 or 2 type)
📺Watch Next: Practice SN1 SN2 E1 or E2 Mechanism • Practice SN1 SN2 E1 or...
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This video walks you through a four-part checklist that can be used to determine whether a given reaction will proceed via an SN1 SN2 E1 or E2 reaction mechanism and also which product molecules will be formed. You’ll learn how to analyze the degree of substitution of the starting reactant, the strength of the attacking nucleophile or base, the type of solvent, as well as the strength of the leaving group.
Additionally, you’ll learn about the notable exception of the big bulky base and why it forms the Hofmann product. You’ll also learn why the presence of heat in a reaction favors elimination, as explained by a reaction coordinate energy diagram. Finally, you’ll see me work through a few examples so that you can apply what you’ve learned to real test questions.
↪ Links & Resources Mentioned In This Video ↩
▸Substitution Elimination Series + Cheat Sheet Leah4sci.com/SNE
▸Four Part Checklist for SNE Reactions Leah4sci.com/Checklist
▸SNE Reaction Energy Diagrams Leah4sci.com/SNEdiagram
▸Pencil Trick for Classifying Carbon Atoms Leah4sci.com/Pencil
▸Carbocation Stability and Ranking Leah4sci.com/Carbocation
▸Zaitsev’s Rule for E1 Reactions • E1 Reaction (vid 2 of ...
▸E2 Reaction with Big Bulky Base • E2 Reaction (vid 4 of ...
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⏱ In this video:
[0:38] The Four Part Checklist
[0:55] Alkyl Halide
[3:33] Attacker
[6:12] Solvent
[8:23] Leaving Group
[10:15] Practice Problems
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