Which of the following alcohols reacts fastest with Lucas reagent?
[0.77 Mark]

C H_{3} C H_{2} O H

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C H_{3} - C H_{3} | C | C H_{3} - O H

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C H_{3} - C H_{3} | C H - C H_{2} - O H

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C H_{3} O H

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Solution

The correct option is B $C H_{3} - C H_{3} | C | C H_{3} - O H$
More is the stability of the carbocation so formed, more will be the reactivity of the alcohol towards Lucas reagent.
Therefore tertiary alcohol reacts faster with Lucas reagent.

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