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Chemistry AS level module 2

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    Hi, I'm stuck on reaction mechanisms


    I need help with nucleophillic substitution ! Please help
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    what exam board are you on?

    and what is it you struggle with? ... the concept, understanding the mechanism or remembering the mechanism ?
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    i hated those...i just copied them out again and again until i knew them
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    (Original post by Lama88)
    Hi, I'm stuck on reaction mechanisms


    I need help with nucleophillic substitution ! Please help
    Think of it as 1 nucleophile joining a molecule and 1 coming off, e.g.

    H3CCd+H2Brd- + -:CN --> H3CCH2CN + :Br-.
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    Thanks guys
    Exam board AQA

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Updated: March 3, 2012
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