AIIMS2002Chemistry-Organic Chemistry
AIIMS 2002 Chemistry Alcohols MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Lucas test is used for the determination of
A
alcohols
B
alkyl halides
C
phenols
D
aldehydes.
Correct Answer
Option A
Detailed Explanation
Lucas test – Alcohol reacts with concentrated hydrochloric acid in presence of anhydrous ZnCl2 to form alkyl halides. The three type of alcohols undergo this reaction at different rates. Order of rate of reaction is : tertiary > secondary > primary.
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