Question

The reaction of Lucas reagent is fastest with:
(a) (CH₃)₂CHOH (b) CH₃(CH₂ )₂OH
(c) CH₃CH₂OH (d) (CH₃ )₃COH

Answer 1

Answer:

(CH3)3COH will react immediately with lucas reagent, as tertiary alcohols give immediate turbidity

Answer 2

The reaction of Lucas reagent is fastest with (a) (CH₃)₂CHOH.

• The Lucas reagent react fastest with tertiary alcohol.
• The Lucas reagent is a solution of anhydrous zinc chloride (ZnCl₂)in concentrated hydrochloric acid(HCl).
• The Lucas test in alcohols is a test to differentiate between primary alcohol, secondary alcohol, and tertiary alcohols.