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ELIMINATION

NUCLEOPHILICSUBSTITUTION

Reagent

favoured if hot, ethanolic KOH is used instead of warm, aqueous NaOH.

reaction with warm, aqueous NaOH

Conditions

Ethanolic, hot

aqueous, warm

What happens

The halogen atom and one H atom from an adjacent C atom is removed giving analkene

A mixture of alkenes could be formed depending on which of the adjacent C atoms theH is lost from.

the halogen atom is replaced by another atom/group

Overall equation

Mechanism

Example

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