Why is m-chlorophenol is more acidic than p-chloro phenol ???
whille this is not the case with NO2 group
p-nitrophenol is more acidic than m-clorophenol
both Cl and NO2 are electron withdrawing then why this difference??
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2 Answers
Philip Calvert
·2009-09-20 11:17:55
in case of NO2 group mesomeric effect dominates which is non functional at meta position
However in halogens inductive effect dominates which gets stronger as proximity of the electronegative group increases.