Electrophilic addition. Outline
Electrophilic addition. Ethene and bromine liquid at room temperature.
H H C C H H Electrophile Polarised
Carbocation H H H H C C C C + H H H H Brδ+ Br δ+ Br __ Brδ- δ- Curly arrows
H H H C C H H C C H + + Br Brδ+ Brδ-__ Brδ-__ Bromide ion
H H H C C H Br Br 1,2-dibromoethane
H H H H C C H H C C + H Br H δ+ Br Brδ-Mechanism __ Brδ H H H C C + H H C C H Br Br Br __ Brδ
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