An unknown alcohol produces turbidity with Lucas reagent in approximately 5 minutes at room temperature. Which of the following could be the alcohol?

Step-by-step solution

The Lucas test is used to distinguish between primary, secondary, and tertiary alcohols based on their reactivity with Lucas reagent (concentrated HCl and anhydrous ZnCl₂ ). Tertiary alcohols react immediately to form an insoluble alkyl chloride, producing immediate turbidity. Secondary alcohols react slower, producing turbidity in approximately 5 minutes. Primary alcohols do not produce turbidity at room temperature. Since the unknown alcohol produces turbidity in 5 minutes, it must be a secondary alcohol. Among t