Question:
Which one of the following alcohols reacts instantaneously with Lucas reagent?
Which one of the following alcohols reacts instantaneously with Lucas reagent?
Updated On: Mar 26, 2025
- CH3 – CH2 – CH2 – CH2OH
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The Correct Option is D
Solution and Explanation
Step 1: Recall the Lucas Test Mechanism
The Lucas test detects tertiary alcohols, which react instantly with Lucas reagent (ZnCl₂ + HCl) to form a cloudy solution.
Step 2: Analyze the Given Options
Option 1: A tertiary alcohol, reacts slowly.
Option 2: A secondary alcohol, reacts slowly.
Option 3: Another tertiary alcohol, reacts instantly.
Option 4: A primary alcohol, shows no immediate reaction.
Step 3: Conclusion
The tertiary alcohol in Option 4 reacts instantly with Lucas reagent.
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