angelah3ang
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#1
Report Thread starter 6 years ago
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Why is Sn1 mechanism faster than Sn2 in nucleophilic substitution reactions of halogenoalkanes?
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Kemmist
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What's the difference in the two mechanisms?
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angelah3ang
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#3
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Tertiary halogenoalkanes react using Sn1. It involves the formation of a stable Carbocation

Primary halogenoalkanes react using Sn2. It involves the formation of an unstable transition state.

Secondary can react using either I think.


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Kemmist
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Check out the activation energies for the two processes. One is lower than the other.
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