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Sulfonation of Benzene

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    If SO3 is a non-polar molecule why, then, does it act as an electrophile?
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    S-O bond is very weak (break from 1of 3 double bonds) then is so3+ therefore is an electrophile.
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    (Original post by ilovemath)
    If SO3 is a non-polar molecule why, then, does it act as an electrophile?
    Overall it is non-polar because all of the individual dipoles cancel out. BUT the sulphur is relatively positive compared to the three oxygen atoms.
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    A non-polar molecule can still have polar bonds :yes:
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    (Original post by EierVonSatan)
    A non-polar molecule can still have polar bonds :yes:
    is it because the sulfur as an atom is strongly (+vely) polarised so can attack the benzene ring?
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    (Original post by ilovemath)
    is it because the sulfur as an atom is strongly (+vely) polarised so can attack the benzene ring?
    Yes, as charco said above :yes:
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    (Original post by EierVonSatan)
    Yes, as charco said above :yes:
    yes...sorry...didn't see that post

    thanks all

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Updated: June 3, 2012
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