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Byju's Answer
Standard XII
Chemistry
Halogenation of Alpha Carbon
Which of the ...
Question

Which of the following give turbidity with lucas reagent most readily?

A
Allyl alcohol
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B
Dimethyl carbinol
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C
Diphenyl carbinol
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D
t-butyl carbinol
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Solution

The correct option is A Allyl alcohol

Allyl alcohols give turbidity with lucas reagent than even tertiary alcohols, because due to the double bond and the carbo cation can resonate between the carbons making it more stable therefore the rate of reaction is more with the lucas reagent.
ROH+HX→ZnCl,HClRX+H2O

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