Alkenes (AQA A-Level Chemistry): Flashcards

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Electrophilic Addition Reactions
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Definition of electrophile

Species that accepts a pair of electrons

Why alkenes are reactive towards electrophiles

C=CC=C bond creates high electron density

What is a carbocation

Carbon atom with positive charge (C+C^+)

Product when HBrHBr adds to alkene

Bromoalkane

Product when H2SO4H_2SO_4 adds to alkene

Alkyl hydrogen sulfate

Product when Br2Br_2 adds to alkene

Dibromoalkane

What attacks the δ+δ+ electrophile

π-electrons from the C=CC=C bond

Type of bond breaking in electrophilic addition

Heterolytic (one atom takes both electrons)

What attacks the carbocation

Nucleophile (negative ion like Br−Br^-)

Type of molecule formed after electrophilic addition

Saturated molecule

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Explore AQA A-Level Chemistry Exam Questions by Topics

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Alkanes

Halogenoalkanes

Alkenes

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