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Grade 12th passOrganic Chemistry

What is stability order in question b?? Please solve this problem

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Profile image of Dinesh
8 Years agoGrade 12th pass
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Profile image of Bharat
ApprovedApproved Tutor Answer8 Years ago
Ans is 1》3》2Because carbocation is stablise by electron donating groups.In first compund +m effect maximum and -I effect which is minmum therefore it will most stable..In third compund there is +m maximum and -I maximum which destabilize it therfore it will stable but not more than first..In third compound there is only -I effect as + m effect is not operated at meta position therfore it will be least stable