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Difference between Sn1 & Sn2 reactions

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Difference between Sn1 & Sn2 reactions
  • 1 answers

Sia ? 4 years, 6 months ago

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    Sn1

          Sn2

Sn1 is a unimolecular reaction

Sn2 is a bimolecular reaction

It follows a 1st order kinetic mechanism.

It follows the 2nd order Kinetic mechanism.

Sn1 involves two steps

Sn2 is a single-step process

In Sn1, the rate of reaction depends on the concentration of the substrate.

In Sn2, the rate of reaction depends on the concentration of both the substrate and the nucleophile.

In Sn1 as the leaving group leaves, the substrate forms a carbocation intermediate. 

In Sn2, the reaction happens in a single transition state.

Optically active substrate becomes optically inactive and half of the optically active substrate becomes similar.

Sn2 involves inversion reaction.

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