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Question
Give the structure of the product you would expect when the following alcohol reacts with HCl–ZnCl2.
2-Methylbutan-2-ol
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Solution
\[\begin{array}{cc}
\ce{CH3}\phantom{......................................................}\ce{CH3}\phantom{..}\\
|\phantom{............................................................}|\phantom{......}\\
\ce{CH3 - C - CH2CH3 + HCl_{(conc.)}->[ZnCl2]CH3 - C - CH2CH3}\\
|\phantom{............................................................}|\phantom{......}\\
\phantom{..}\ce{\underset{2-methylbutane-2-ol}{OH}\phantom{...................................}\ce{\underset{2-chloro-2-methylbutane}{Cl}}}\phantom{...}\
\end{array}\]
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