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Alcohols, Phenols and Ethers — Chemistry STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryAlcohols, Phenols and Ethers3 Marks
Question
How are the following compounds prepared by using HBr from corresponding alcohols :
(1) Ethyl bromide
(2) Isopropyl bromide
(3) Tert-butyl bromide (2-Methyl-propan-2-ol)?
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Answer

(1) When ethyl alcohol is heated with $HBr$, ethyl bromide is formed. ( $HBr$ is prepared in situ by adding $NaBr$ to $HCl$ or $H _2 SO _4$ )
$HCl$ or $H _2 SO _4$.)
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(2) Isopropyl alcohol on heating with HBr forms isopropyl bromide.
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(3) Tert-butyl alcohol on heating with HBr forms tert-butyl bromide.
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