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Q. Amongst the following alcohols which would react fastest with conc. $HCl$ and $ZnCl_2 ?$

JEE MainJEE Main 2013Alcohols Phenols and Ethers

Solution:

$ZnCl^{2+}$cone. $HCl$ is Lucas reagent. Lucas reagent reacts fastest with tertiary alcohol. $3^°$ alcohol + Lucas reagent = Immediate turbidity