Which alcohol gives turbidity immediately with Lucas reagent at room temperature?
A. 2-methylpropan-2-ol
B. 2-methylpropan-1-ol
C. butan-1-ol
D. butan-2-ol
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Answer: A. 2-methylpropan-2-ol
Tertiary alcohols react immediately with conc. HCl/ZnCl2 through a stable carbocation; 2-methylpropan-2-ol is tertiary.
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· 23 Oct 2026
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