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Electrophilic addition.

Electrophilic addition. Ethene and bromine liquid at room temperature. H. H. C. C. H. Electrophile. H. Polarised. Br δ +. Br δ -. Carbocation. H. H. H. H. C. C. C. C. +. H. H. H. H. Br δ +. Br δ +. Br δ -. Br δ -. __. Curly arrows. H. H. H. H. C. H. H. C. C.

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Electrophilic addition.

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  1. Electrophilic addition. Ethene and bromine liquid at room temperature.

  2. H H C C H Electrophile H Polarised Brδ+ Brδ-

  3. Carbocation H H H H C C C C + H H H H Brδ+ Br δ+ Brδ- Brδ- __ Curly arrows

  4. H H H H C H H C C H H C + + Br Brδ+ Brδ- __ Bromide ion Brδ- __

  5. H H C H H C Br Br 1,2-dibromoethane

  6. H H H H C C H H C H H C H H + Brδ+ Br C H H C Brδ- __ Brδ H H Br Br C H H C + Br Brδ __ Mechanism

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