Chemistry - GOC Question with Solution | TestHub
ChemistryGOCRESONANCE AND MESOMERIC EFFECTMedium2 minQB
ChemistryMediumsingle choice
Arrange the ortho (I), meta (II) and para (III) hydroxybenzyl carbocations in decreasing order of stability.
(I) 
(II) 
(III) 
Options:
Answer:
B
Solution:
is a +R donor from ortho and para, which stabilises the cation. At meta only its -I effect acts, which destabilises the cation, so meta is the least stable.
The -I effect is stronger at ortho than at para, so para ortho.
Order : III I II.
Stream:JEESubject:ChemistryTopic:GOCSubtopic:RESONANCE AND MESOMERIC EFFECT
⏱ 2mℹ️ Source: QB
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