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Subject - Organic Chemistry

Alcohols are hydroxy derivatives of aliphatic or alicyclic hydrocarbons. Aromatic hydrogen carbons are counted as alcohols if the OH group (hydroxy group) is attached to a side chain of the aromatic compound.

Fig.1

Depending on the substitution of the carbon atom adjacent to the OH group, the alcohol is called primary, secondary or tertiary if that C atom contains one, two or three radicals, respectively. Monovalent alcohols contain one OH group per molecule while multivalent alcohols contain several OH groups in the molecule.

Informally, the term alcohol is used for ethanol C2H5-OH.

See also: diol , fermentation

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