EAS Series: Video 13
This video shows you the unique directing effects of halogens on substituted benzene. Learn why they are ortho para directing yet still deactivate the benzene ring towards electrophilic aromatic substitution.
(Watch on YouTube: Halogen Exception. Click CC on bottom right for transcript.)
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Joel Greenstein says
This is a great video. Thank you!
so, the halogen contributes a resonance structure but slows down the reaction completely? or does the halogen not donate its electron at all?