“phenols”的概念、定义、翻译、参考文献-科学参考

单词	phenols
释义	phenols Chemistry Organic compounds that contain a hydroxyl group (–OH) bound directly to a carbon atom in a benzene ring. Unlike normal alcohols, phenols are acidic because of the influence of the aromatic ring. Thus, phenol itself (C₆H₅OH) ionizes in water: $C_{6} H_{5} OH \to C_{6} H_{5} O^{-} + H^{+}$ Phenols are made by fusing a sulphonic acid salt with sodium hydroxide to form the sodium salt of the phenol. The free phenol is liberated by adding sulphuric acid.
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