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Which of the following compounds reacts fastest with Lucas reagents?

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By Expert Faculty of Sri Chaitanya
a
1-Butanol
b
2-Butanol
c
2-Methyl-2-propanol
d
2-Methyl-1-propanol

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detailed solution

Correct option is C

Alcohols are soluble in Lucas reagent(conc. HCl  and ZnCl2 ) while their halides are immiscible and produce turbidity in solution. In case of tertiary alcohols turbidity produce immediately while primary alcohols do not. So Rate of reaction with Lucas reagent is : 30>20>10 .


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