JEE Main - Previous Year Papers JEE MAIN 2022 JEE MAINS 26 JULY 2022 PAPER SHIFT -1 Single Correct MCQ
Published on: August 13, 2026

Which technique among the following, is most appropriate in separation of a mixture of 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)

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Text Solution

Verified by Experts
The correct answer is:
D

Solvent polarity has been related to value of nitrocompounds.
p-nitrophenol and picric acid have different value on silica gel plate
Preparative TLC is best to separate of para nitrophenol and picric acid

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