JEE Main 2018 — General Organic Chemistry Question with Solution
JEE Main 2018 (15 Apr Shift 2 Online)
Question
On the treatment of the following compound with a strong acid, the most susceptible site for bond cleavage is:
Choose an option
Show full solutionCorrect option: B
Correct answer
BO5-C6
Step-by-step explanation
The lone pair of electrons on is involved in resonance with . Hence will not be protonated.
The lone pair of electrons on O5 is not involved in resonance with . Hence, O5 will be protonated. Chloride ion will then attack least substituted atom (C6)
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This is a previous-year question from JEE Main 2018, 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.