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O que (quem) é oxidation-reduction - definição
CHEMICAL REACTION INVOLVING REDUCTION AND OXIDATION OF DIFFERENT SPECIES
Oxidation; Oxidative; Oxidise; Oxidize; Oxidizing; Oxidised; Oxidized; Redox reaction; Reduction (chemistry); Oxidation-reduction reaction; Oxidation reaction; Oxidisation; Oxidation reduction; Reduction reaction; Oxidizes; Oxidation-reduction; Redox system; Oxidation-Reduction Reaction; Oxidoreductive; One-electron reduction; Reduce (chemistry); Half reaction equation balancing; Half Reaction Equation Balancing; Oxred; Oxidation and reduction; Redox cycling; Oxidating; Oxidation process; Reduction and oxidation; Oxidation and Reduction; Redox chemistry; Oxidation reduction reaction; Oxidation (chemistry); Biological oxidation; Chemical reduction; Reducing equivalent; Half-equation; Reducing equivalents; Reduction-oxidation; Oxydation; ElectronEquivalent; Electron equivalent; Electron Equivalent; Oxidative agent; Reduced (chemistry); Oxidated; LEO GER; Oxidations; Reduction Oxidation reaction; Oxidation-Reduction; Reduction oxidation; Reduction–oxidation; Oxidation–reduction; Redox couple; Oxidation at Nitrogen; Oxidate; Oxidisation of Polyethlene; Redox reactions; Biological reductant; Suboxidation; Oxidoreduction; Reduction–oxidation reaction; Reduction-oxidation reaction; Oxidising conditions; Redox reduction
![Enzymatic browning]] is an example of a redox reaction that takes place in most fruits and vegetables.](https://commons.wikimedia.org/wiki/Special:FilePath/Extremely overripe banana.jpg?width=200 "Enzymatic browning]] is an example of a redox reaction that takes place in most fruits and vegetables.")
![pictogram]] for oxidizing chemicals](https://commons.wikimedia.org/wiki/Special:FilePath/GHS-pictogram-rondflam.svg?width=200 "pictogram]] for oxidizing chemicals")
![A redox reaction is the force behind an [[electrochemical cell]] like the [[Galvanic cell]] pictured. The battery is made out of a zinc electrode in a ZnSO<sub>4</sub> solution connected with a wire and a porous disk to a copper electrode in a CuSO<sub>4</sub> solution.](https://commons.wikimedia.org/wiki/Special:FilePath/Galvanic cell with no cation flow.svg?width=200 "A redox reaction is the force behind an [[electrochemical cell]] like the [[Galvanic cell]] pictured. The battery is made out of a zinc electrode in a ZnSO<sub>4</sub> solution connected with a wire and a porous disk to a copper electrode in a CuSO<sub>4</sub> solution.")
![[[Sodium]] "gives" one outer electron to [[fluorine]], bonding them to form [[sodium fluoride]]. The sodium atom is oxidized, and the fluorine is reduced.](https://commons.wikimedia.org/wiki/Special:FilePath/NaF.gif?width=200 "[[Sodium]] \"gives\" one outer electron to [[fluorine]], bonding them to form [[sodium fluoride]]. The sodium atom is oxidized, and the fluorine is reduced.")
![Iron rusting in [[pyrite]] cubes](https://commons.wikimedia.org/wiki/Special:FilePath/PyOx.JPG?width=200 "Iron rusting in [[pyrite]] cubes")
![Oxides, such as [[iron(III) oxide]] or [[rust]], which consists of hydrated [[iron(III) oxide]]s Fe<sub>2</sub>O<sub>3</sub>·''n''H<sub>2</sub>O and [[iron(III) oxide-hydroxide]] (FeO(OH), Fe(OH)<sub>3</sub>), form when oxygen combines with other elements](https://commons.wikimedia.org/wiki/Special:FilePath/Rust screw.jpg?width=200 "Oxides, such as [[iron(III) oxide]] or [[rust]], which consists of hydrated [[iron(III) oxide]]s Fe<sub>2</sub>O<sub>3</sub>·''n''H<sub>2</sub>O and [[iron(III) oxide-hydroxide]] (FeO(OH), Fe(OH)<sub>3</sub>), form when oxygen combines with other elements")
![Blast furnaces of [[Třinec Iron and Steel Works]], Czech Republic](https://commons.wikimedia.org/wiki/Special:FilePath/VysokePece1.jpg?width=200 "Blast furnaces of [[Třinec Iron and Steel Works]], Czech Republic")
Oxidized
·Impf & ·p.p. of Oxidize.
Reducing equivalent
In biochemistry, the term reducing equivalent refers to any of a number of chemical species which transfer the equivalent of one electron in redox reactions. A redox reaction (oxidation-reduction reaction) results in a change of oxidation state of atoms or ions due to actual or formal transfer of electrons.
oxidize
or oxidise '?ks?d??z
¦ verb combine or cause to combine with oxygen.
?Chemistry undergo or cause to undergo a reaction in which electrons are lost to another substance or molecule. The opposite of reduce.
Derivatives
oxidizable adjective
oxidization noun
oxidizer noun
Wikipédia
Redox
Redox (reduction–oxidation, RED-oks, REE-doks) is a type of chemical reaction in which the oxidation states of substrate 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.
There are two classes of redox reactions:
- Electron-transfer – Only one (usually) electron flows from the reducing agent to the oxidant. This type of redox reaction is often discussed in terms of redox couples and electrode potentials.
- Atom transfer – An atom transfers from one substrate to another. For example, in the rusting of iron, the oxidation state of iron atoms increases as the iron converts to an oxide, and simultaneously the oxidation state of oxygen decreases as it accepts electrons released by the iron. Although oxidation reactions are commonly associated with the formation of oxides, other chemical species can serve the same function. In hydrogenation, C=C (and other) bonds are reduced by transfer of hydrogen atoms.
