Q. The best method for the separation of naphthalene and benzoic acid from their mixture is

A) Chromatography
B) Crystallisation
C) Distillation
D) Sublimation
Explanation

(b)
Naphthalene and benzoic acid cannot be separated by the sublimation method because the naphthalene and benzoic acid both are sublimes on heating. They are separated by hot water in which benzoic acid dissolves but naphthalene does not

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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