MHT CET 2024 Chemistry question

Which from following compounds is a trihydric alcohol?

(1)Quionl
(2)Catechol
(3)Propylene glycerolCorrect
(4)Resorcinol

Answer: (3)

Solution

A trihydric alcohol has three groups on an aliphatic carbon skeleton. Glycerol (glycerine), \mathrm{CH_2(OH){-}CH(OH){-}CH_2(OH)}, propane-1,2,3-triol, is the common trihydric alcohol, and option (3) is taken to name this

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Question ID VK-095617