Practice mode Alcohols and Phenols

Lucas reagent, used to distinguish primary, secondary and tertiary alcohols, consists of ____.

Correct answer C. Concentrated HCl with anhydrous ZnCl₂

Explanation

Lucas reagent is concentrated hydrochloric acid containing anhydrous zinc chloride. The ZnCl₂ acts as a Lewis acid, helping the OH group leave so that a chloroalkane forms as a cloudy layer.

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Lucas reagent, used to distinguish primary, secondary and tertiary alcohols, consists of ____.

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Lucas reagent, used to distinguish primary, secondary and tertiary alcohols, consists of ____.

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