MHT CET 2025 Chemistry question

Which of the following is trihydric phenol?

(A)Catechol
(B)PyrogallolCorrect
(C)Resorcinol
(D)Quinol

Answer: (B)

Solution

A trihydric phenol has three groups on the benzene ring. Pyrogallol is benzene-1,2,3-triol, with three adjacent hydroxyl groups, so it is trihydric, option (B).

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Question ID VK-103288