Free interactive chemistry · SIM-ORG-E1-001

E1 elimination

E1 elimination: a carbocation forms, then loses an H⁺ to give an alkene.

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How to use this simulation

Play the mechanism or step through it.
Watch the carbocation, then the β-hydrogen leaving.
Read “Facts” for the rate law and conditions.

What to notice

Two steps; the first (carbocation) is slow.
The more substituted alkene is the main product (Zaitsev).

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What conditions favour E1 over SN1?

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