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Question: Answered & Verified by Expert
Consider the following reaction,

the product $Z$, is
ChemistryAlcohols Phenols and EthersNEETNEET 2009 (Screening)
Options:
  • A $\mathrm{CH}_2=\mathrm{CH}_2$
  • B $\mathrm{CH}_3 \mathrm{CH}_2-\mathrm{O}-\mathrm{CH}_2-\mathrm{CH}_3$
  • C $\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{O}-\mathrm{SO}_3 \mathrm{H}$
  • D $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}$
Solution:
1935 Upvotes Verified Answer
The correct answer is: $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}$
Key Idea (i) $\mathrm{PBr}_3$ is a halogenating agent, ie, converts $-\mathrm{OH}$ group into $-\mathrm{Br}$.
(ii) Alc. $\mathrm{KOH}$ is a dehydrohalogenating agent.
(iii) $\mathrm{H}_2 \mathrm{SO}_4$ and $\mathrm{H}_2 \mathrm{O}$ converts an olefin into alcohol.

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