Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 7 PCB Single Correct MCQ
Published on: August 14, 2026

Statement I : Lucas reagent is a mixture of anhydrous and concentrated

Statement II : Primary alcohol produces ppt. with Lucas reagent.

A
Both statement I and II are correct.
B
Both statement I and II are incorrect.
C
Statement I is correct but statement II is incorrect.
D
Statement II is correct but statement I is incorrect.

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The correct answer is:
C

Lucas reagent is a mixture of anhydrous and conc. . It is used for the distinction of monohydric alcohols. Tertiary alcohols on addition produce a precipitate immediately while secondary alcohols produce ppt. after 5 minutes. Primary alcohols do not produce any precipitate.

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