Q. Acetaldehyde cannot show

A) Iodoform test
B) Lucas test
C) Benedict’s test
D) Tollen’s test
Explanation

(b)
Acetaldehyde cannot show Lucas test because Lucas test is given by alcohols only. It is used in the distinction between primary, secondary and tertiary alcohols. Conc. $HCl +$ anhydrous $ZnCI_{2}$ is called Lucas reagent.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.