\textbf{211 --} Which statement about phenol is \underline{not} correct?
(1) It is a toxic compound and is used in the production of aspirin and disinfectants.
(2) It has a hydroxyl functional group and can form hydrogen bonds.
(3) Like benzene, its empirical formula is the same as benzene, but its experimental properties are different.
(4) Its molecules, in the presence of a catalyst and heat, are converted to cyclohexane by hydrogen.
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