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Q.
In the given reaction, the reactivity order of different alcohols is
$R-OH+HX \rightarrow R-X+H_{2}O$
NTA AbhyasNTA Abhyas 2022
Solution:
$R-OX+HX \rightarrow R-X+H_{2}O$ , the reaction occurs by $S_{N}1$ mechanism through carbocation intermediates. Reactivity order of alcohols for this reaction is $3^{o}>2^{o}>1^{o}$