Q24. Why is the reactivity of all the three classes of alcohols with conc.HCI and ZnCl2 (Lucas reagent) different?
The reactivity of all the three classes of alcohols with concentrated HCl and ZnCl2 (Lucas reagent) is different because of the steric hindrance of the alkyl groups and the stability of the carbocation. Primary alcohol does not show any reaction at room temperature because the 1° carbocation is least stable.
