BRAINCAKENucleophilic Substitution
In nucleophilic substitution a nucleophile replaces the halogen atom in a halogenoalkane. The general equation is R-X + Nu- → R-Nu + X-.
The mechanism is shown with curly arrows, and each curly arrow shows the movement of a pair of electrons. A curly arrow must start from a lone pair or a bond.
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More in Halogenoalkanes
- Bond Polarity
- Physical Properties
- Reactivity of the Carbon-Halogen Bond
- Nucleophiles
- Reaction with Aqueous Sodium Hydroxide
- Reaction with Cyanide Ions
- Reaction with Ammonia
- Uses of Nucleophilic Substitution
All 16 lessons in Halogenoalkanes · All AQA AS-level Chemistry topics