Chemistry - GOC Question with Solution | TestHub
ChemistryGOCRESONANCE AND MESOMERIC EFFECTHard2 minQB
ChemistryHardsingle choice
Arrange the following in decreasing order of acidity : phenol (IV) and the ortho (I), meta (II) and para (III) chlorophenols.
(I) 
(II) 
(III) 
(IV) 
Options:
Answer:
C
Solution:
In the -I effect wins over the weak +R effect, so every chlorophenol is more acidic than phenol (IV).
The -I effect falls with distance : ortho meta para. In the para isomer the +R effect also works against the -I effect, which makes it the weakest of the three.
Order : I II III IV.
Stream:JEESubject:ChemistryTopic:GOCSubtopic:RESONANCE AND MESOMERIC EFFECT
⏱ 2mℹ️ Source: QB
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