Which technique among the following, is most appropriate in separation of a mixture of 100 mg of p-nitrophenol and picric acid? (A) Steam distillation (B) 2-5 ft long column of silica gel (C) Sublimat

Question

Which technique among the following, is most appropriate in separation of a mixture of 100 mg of p-nitrophenol and picric acid?

(A) Steam distillation
(B) 2-5 ft long column of silica gel
(C) Sublimation
(D) Preparative TLC (Thin Layer Chromatography)

Prashant Kotian · Accepted Answer

Correct answer: D) PREPARATIVE TLC (THIN LAYER CHROMATOGRAPHY). Thin layer chromatography is a technique used to isolate non-volatile mixtures. Hence, the mixture of p-nitrophenol and picric acid is separated by TLC.

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