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Redox (short for reduction–oxidation reaction) is a chemical reaction in which the oxidation states of atoms are changed. Redox reactions include all chemical reactions in which atoms have their oxidation state changed.

General aspects

Redox reactions involve the transfer of electrons between chemical species. The chemical species from which the electron is stripped is said to have been oxidized, while the chemical species to which the electron is added is said to have been reduced. It can be explained in simple terms:

  • Oxidation is the loss of electrons or an increase in oxidation state by a molecule, atom, or ion.
  • Reduction is the gain of electrons or a decrease in oxidation state by a molecule, atom, or ion.

Important reactions


  • Acyloin condensation
  • Adkins–Peterson reaction
  • Collins oxidation
  • Corey–Kim oxidation
  • Dakin oxidation
  • Dess–Martin oxidation
  • Fleming–Tamao oxidation
  • Jones oxidation
  • Lindgren oxidation
  • Oppenauer oxidation
  • Pinnick oxidation
  • Sarett oxidation
  • Swern oxidation


Reagents used

Oxidizing agents

Reducing agents


Relevant Sciencemadness threads