redox
Sign in to saveupright=1.6|class=skin-invert-image|thumb|right|Sodium "gives" one outer electron to [[fluorine, bonding them to form sodium fluoride. The sodium atom is oxidized, and fluorine is reduced.]] thumb|right|upright=1.25|When a few drops of glycerol (mild reducing agent) are added to powdered [[potassium permanganate (strong oxidizing agent), a violent redox reaction accompanied by self-ignition starts.]]
AI overview
Redox reactions occur when one atom gives electrons to another atom—the atom losing electrons is oxidized while the atom gaining electrons is reduced. These reactions are important because they power everything from chemical bonding to dramatic reactions like combustion and can release large amounts of energy.
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Article
23 sectionsContents
- Terminology
- Oxidants
- <span class="anchor" id="reducing equivalent"></span>Reductants
- Electronation and de-electronation
- Rates, mechanisms, and energies
- Standard electrode potentials (reduction potentials)
- Examples of redox reactions
- Metal displacement
- Other examples
- Corrosion and rusting
- Disproportionation
- Redox reactions in industry
- Redox reactions in biology
- Redox cycling
- Redox reactions in geology
- Redox reactions in soils
- Acidic media
- Basic media
- Mnemonics
- See also
- References
- Further reading
- External links
upright=1.6|class=skin-invert-image|thumb|right|Sodium "gives" one outer electron to [[fluorine, bonding them to form sodium fluoride. The sodium atom is oxidized, and fluorine is reduced.]] thumb|right|upright=1.25|When a few drops of glycerol (mild reducing agent) are added to powdered [[potassium permanganate (strong oxidizing agent), a violent redox reaction accompanied by self-ignition starts.]]
Redox ( , , reduction–oxidation or oxidation–reduction) is a type of chemical reaction in which the oxidation states of the reactants change. Oxidation is the loss of electrons or an increase in the oxidation state, while reduction is the gain of electrons or a decrease in the oxidation state. The oxidation and reduction processes occur simultaneously in the chemical reaction.