Alcohols, Phenols and Ethers

Question

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Give structures of the products you would expect when each of the following alcohol reacts with,
(a) HCl—ZnCl₂ (b) HBr and (c) SOCl₂.

(i) Butan-1-ol (ii) 2-Methyl butan-2-ol.

Answer

(HCl—ZnCl₂) is lucas reagent, lucas reagent react with alcohol however it does not react with primary alcohol but readily gives turbidity with tertiary alcohols.
a) Reaction with (HCl—ZnCl₂):
Butan-1-ol is primary alcohol thus no reaction occur.
where as 2-methyl butan-2-ol is tertiary alcohol, it forms 2-chloro-2-methylbutane.

b) Reaction with HBr:

c) Reaction with SOCl₂:

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