JEE Main 2014 — Hydrocarbons Question with Solution
JEE Main 2014 (12 Apr Online)
Question
In the presence of peroxide, and do not give anti-Markownikoff's addition of alkenes because:
Choose an option
Show full solutionCorrect option: A
Correct answer
AOne of the steps is endothermic in and
Step-by-step explanation
Anti-Markownikoff addition is possible only in case of and not in and . In both the chain initiation and propagation steps are exothermic, while in , first step is exothermic, and second step is endothermic and in HI, no step is exothermic. Hence and do not undergo anti-Markownikoff's addition.
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This is a previous-year question from JEE Main 2014, covering the Hydrocarbons 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.