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21 October, 12:51

Rank the SN2 reaction rate of the following species, from fastest to slowest.

CH3CH2OH

CH3CH2I

CH3CH2Cl

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Answers (2)
  1. 21 October, 14:24
    0
    CH₃CH₂I > CH₃CH₂Cl > CH₃CH₂OH

    Explanation:

    SN₂ reaction -

    It is the nucleophilic reaction bimolecular, where the nucleophile replaces the leaving group present in the reaction, this is a one step reaction.

    The rate of the reaction depends on -

    how good is the leaving group, as a good leaving group will immediately leave and the nucleophile can readily attack to form the product. how strong is the nucleophile, as the stronger nucleophile can efficiently attack replaces the leaving group to form the product.

    From the question,

    I is the best leaving group, then is Cl and least is OH.

    Hence,

    The fastest to slowest rate of reaction is as follows -

    CH₃CH₂I > CH₃CH₂Cl > CH₃CH₂OH
  2. 21 October, 16:30
    0
    CH3CH2OH fastest

    CH3CH2CI fast

    CH3CH2I slowest

    i believe
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