Question
Sat July 28, 2012 By: Ashwin Srinath
 

what are activating and de-activating groups? give me some examples

Expert Reply
Sun July 29, 2012
a deactivating (or electron withdrawing group) is a functional group attached to a benzene molecule that removes electron density from the benzene ring, making electrophilic aromatic substitution reactions slower and more complex relative to benzene.
 
For Example: Niro group ,cyanide ,aldehyde etc
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