i>metafluorophenol is most acidic due to resonance effect and o-fluorophenol is least acidic due to formation of hydrogen bond and ii>m-chlorophenol>m-fluorophenol>o-chlorophenol>p-chlorophenol>p-fluorophenol>o-fluorophenol this order is derived by taking into consideration 2p-3p back bond in clorophenol and 2p-2p backbond in fluorophenol and mind that if back bond is anything other than 2p-2p then inductive effect is predominant over resonance effect.
Moderation Team
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