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functional group Syllabification: func·tion·al group

Definition of functional group in English:


A group of atoms responsible for the characteristic reactions of a particular compound.
Example sentences
  • Methyl lithium is very reactive and acts as a nucleophilic methylating reagent to electrophilic functional groups, such as ketones.
  • The oxygen atom of an ether functional group has two lone pairs of electrons.
  • Condensation reactions depend on a repeated reaction between functional groups on the monomers.
Definition of functional group in:
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