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Question: Answered & Verified by Expert
Assertion : Propene reacts with $\mathrm{HI}$ in presence of peroxide to give 1-iodopropane.
Reason : $1^{\circ}$ free radical is more stable than $2^{\circ}$ free radical.
ChemistryHydrocarbonsAIIMSAIIMS 2019 (26 May)
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion.
  • B If both assertion and reason are true but reason is not the correct explanation of assertion.
  • C If assertion is true but reason is false.
  • D If both assertion and reason are false.
Solution:
1090 Upvotes Verified Answer
The correct answer is: If both assertion and reason are false.
Peroxide effect is not effective in the case of $\mathrm{HCl}$ and $\mathrm{HI}$. It is effective only in the case of $\mathrm{HBr}$.


$2^{\circ}$ free radical is more stable than $1^{\circ}$ free radical.

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