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HomeHomework HelpchemistryAlkene Halogenation

Alkene Halogenation

Alkene halogenation is a chemical reaction where a halogen atom is added across the double bond of an alkene, resulting in the formation of a vicinal dihalide. This process is significant in organic chemistry for synthesizing various compounds.

intermediate
2 hours
Chemistry
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Overview

Alkene halogenation is a vital reaction in organic chemistry where alkenes react with halogens to form dihaloalkanes. This process involves an electrophilic addition mechanism, leading to the formation of cyclic halonium ions and various stereochemical outcomes. Understanding this reaction is essent...

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Key Terms

Alkene
A hydrocarbon with at least one carbon-carbon double bond.

Example: Ethylene (C2H4) is a simple alkene.

Halogen
A group of elements including fluorine, chlorine, bromine, iodine, and astatine.

Example: Chlorine (Cl2) is a common halogen used in reactions.

Dihaloalkane
An organic compound containing two halogen atoms attached to a carbon chain.

Example: 1,2-dichloroethane is a dihaloalkane.

Electrophile
A species that accepts an electron pair from a nucleophile in a chemical reaction.

Example: Halogens act as electrophiles in halogenation.

Nucleophile
A species that donates an electron pair to form a chemical bond.

Example: Alkenes can act as nucleophiles in reactions.

Stereochemistry
The study of the spatial arrangement of atoms in molecules.

Example: Stereochemistry affects the properties of dihaloalkanes.

Related Topics

Alkene Reactions
Explore various reactions involving alkenes, including hydration and polymerization.
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Nucleophilic Substitution
Learn about nucleophilic substitution reactions and their mechanisms.
intermediate
Organic Synthesis
Study the principles and techniques of organic synthesis in chemistry.
advanced
Stereochemistry
Delve deeper into the study of stereoisomers and their properties.
intermediate

Key Concepts

Electrophilic AdditionDihaloalkanesReaction MechanismStereochemistry