IB Chemistry SL

R-3.4.9 & 3.4.10 Nucleophilic Substitution: SN1 and SN2 Mechanisms

Explore nucleophilic substitution in halogenoalkanes, compare SN1 and SN2 mechanisms, and explain how halogenoalkane structure and leaving groups influence reaction rates.

Topic lesson

R-3.4.9 & 3.4.10 Nucleophilic Substitution: SN1 and SN2 Mechanisms

Watch, practise, and check your understanding.

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Lesson video

Start here. Watch the explanation before trying the practice tasks.

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