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Study 3.4.11 (HL)—Electrophilic addition mechanisms conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

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Organic compounds have many industrial applications.

An alkene such as ethene can be used as starting material for a range of compounds.

Describe the mechanism of this reaction, using curly arrows to represent the movement of electron pairs.

Figure for Answer to Question 1 — IB Chemistry HL

curly arrow from C=C bond to Br AND curly arrow showing Br-Br bond breaking

carbocation with charge on correct atom

curly arrow from lone pair/negative charge on $\mathrm{Br}^{-}$ to $\mathrm{C}^{+}$

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IB Chemistry HL 3.4.11 Hl Electrophilic Addition Mechanisms Topic Practice

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Question 1