MHT CET 2024 Chemistry question

Which reagent is used in the conversion of phenol to picric acid ?

(A)Nitric acid (dil.)
(B)Nitrous acid (conc.)
(C)Sulphuric acid (conc.)
(D)Nitric acid (conc.) + sulphuric acid (conc.)Correct

Answer: (D)

Solution

Picric acid is 2,4,6-trinitrophenol. It is prepared by treating phenol with a nitrating mixture (conc. + conc. ), which nitrates all three activated ortho/para positions: C_6H_5OH3HNO_3$

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Question ID VK-099679