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The Biggest Mistake Students Make With SN1 Reactions

Struggling with SN1 Reactions? Here is the no-BS guide to understanding it, complete with real-world examples and study shortcuts.

E
Emma Watkins · EdTech Specialist
3 min read
The Biggest Mistake Students Make With SN1 Reactions

Let's be brutally honest: SN1 Reactions is usually taught terribly in textbooks. You don't need to be a genius to master this; you just need to understand one specific mental model.

The Fatal Flaw

The vast majority of points lost on SN1 Reactions questions aren't due to bad fundamentals. They happen because of a specific blind spot: forgetting carbocation rearrangement shifts.

Let's look at how this breaks down in reality:

If you form a secondary carbocation next to a tertiary carbon, a hydride or methyl shift WILL occur to create a more stable carbocation before the nucleophile attacks.

How to Audit Your Own Work

To stop making this mistake, you have to slow down your workflow. Create a midway checkpoint before you finalize your answer.


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