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SN1 vs. SN2

Discussion in 'DAT Discussions' started by motivated dent, Jan 3, 2009.

  1. motivated dent

    2+ Year Member

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    does the SN1 do a complete inversion where R goes to S or is it just strictly for the SN2 reaction. Just confused since it says that for SN1 it can do an inversion as well.
     
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  3. sciencegod

    sciencegod Super Member
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    no sn1 forms a racemic mixture. some is inverted ans some is the same. so its about 50-50. ( a little more is actually formed 1 way but no need for the dat.
     
  4. joonkimdds

    joonkimdds Senior Member
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    SN1 = 2 steps = 1st step is where leaving group leaves and form carbocation.
    When it's in carbocation form, nucleophile can either attack from the back or front. 50:50 = racemic = both inversion and retention. Don't forget that this also means it's optically inactive because they cancel each other.
     

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