JEE Main 2017 — General Organic Chemistry Question with Solution
JEE Main 2017 (02 Apr)
Question
Which of the following molecules is least resonance stabilized?
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
In A,B,D entire ring involved in delocalisation and follow huckel rule of (4n+2)pi electrons. so, they are aromatic and are more stable.
While in C one carbon is sp3 so non planar. so, non aromatic and it is less stable.
While in C one carbon is sp3 so non planar. so, non aromatic and it is less stable.
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This is a previous-year question from JEE Main 2017, covering the General Organic Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.