Functional Group

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.In organic chemistry, functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules. The same functional group will undergo the same or similar chemical reaction(s) regardless of the size of the molecule it is a part of. However, its relative reactivity can be modified by nearby functional groups. The word moiety is often used synonymously to "functional group," but, according to the IUPAC definition, a moiety is a part of a molecule that may include functional groups as substructures. For example, an ester is divided into an alcohol and an acyl moiety, but has an ester functional group. Also, it may be divided into carboxylate and alkyl moieties

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