MHT CET 2026 Chemistry question

Which of the following alcohols on addition of Lucas reagent reacts fast and turns the reagent turbid instantly.

(A)n - Butyl alcohol
(B)sec - Butyl alcohol
(C)iso - Butyl alcohol
(D)tert - Butyl alcoholCorrect

Answer: (D)

Solution

Lucas reagent (anhydrous in conc. HCl) converts alcohols to alkyl chlorides by an mechanism; the rate depends on carbocation stability: . The insoluble alkyl chloride makes the solution turbid. Tert-butyl

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Question ID VK-099988