Chemistry Alcohol, Phenol and Ether Karnataka - CET Previous Year Question Single Correct MCQ
Published on: August 12, 2026

Lucas test is associated with

A
phenol
B
carboxylic acid
C
alcohols
D
aldehydes.

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Text Solution

Verified by Experts
The correct answer is:
C

: Lucas test is employed to distinguish between and alcohols.

Lucas reagent, i.c., conc. and anhyd. , is added to alcohols and the appearance of turbidity due to formation of alkyl chloride helps in the distinction of alcohols.

If turbidity appears immediately, alcohol is tertiary. If turbidity appears in , alcohol is secondary. If solution remains clear, i.e., no turbidity, alcohol is primary.

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