Difference between revisions of "Reducer"
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*''Nonmetal hydrides'': [[hydrazine]], [[phosphine]] | *''Nonmetal hydrides'': [[hydrazine]], [[phosphine]] | ||
*''Acids'': [[ascorbic acid]], [[citric acid]], [[formic acid]], [[hydrogen sulfide]], [[hydroiodic acid]] | *''Acids'': [[ascorbic acid]], [[citric acid]], [[formic acid]], [[hydrogen sulfide]], [[hydroiodic acid]] | ||
| − | *''Salts'': metabisulfites, sulfites, thiosulfates | + | *''Salts'': metabisulfites, sulfites, thiosulfates, salts of transition metals in low oxidation states (e.g. iron (II) sulfate) |
*''Sugars'': [[fructose]], [[glucose]] | *''Sugars'': [[fructose]], [[glucose]] | ||
*''Oxides'': [[carbon monoxide]], [[nitric oxide]], [[sulfur dioxide]] | *''Oxides'': [[carbon monoxide]], [[nitric oxide]], [[sulfur dioxide]] | ||
*''Alloys'': [[Devarda's alloy]], [[Raney nickel]], Na-Pb | *''Alloys'': [[Devarda's alloy]], [[Raney nickel]], Na-Pb | ||
*''Amalgams'': Zn-Hg, Na-Hg, Al-Hg | *''Amalgams'': Zn-Hg, Na-Hg, Al-Hg | ||
| − | |||
*''Miscellaneous'': [[palladium on carbon]] | *''Miscellaneous'': [[palladium on carbon]] | ||
| + | |||
| + | ==See also== | ||
| + | *[[Hydrogenator]] | ||
==References== | ==References== | ||
<references/> | <references/> | ||
===Relevant Sciencemadness threads=== | ===Relevant Sciencemadness threads=== | ||
| + | *[http://www.sciencemadness.org/talk/viewthread.php?tid=75994 Reduction with alkali metal and alcohol] | ||
[[Category:Types of chemical]] | [[Category:Types of chemical]] | ||
[[Category:Reducing agents]] | [[Category:Reducing agents]] | ||
Latest revision as of 21:43, 29 April 2018
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A reducer, more commonly referred to as reducing agent or reductant. is an element or compound that loses (or "donates") an electron to another chemical species in a redox chemical reaction. Since the reducing agent is losing electrons, it is said to have been oxidized.
Contents
Mechanism
Reducing agents are called electron donors, and participate in electron-transfer reactions.
In organic chemistry, reduction more specifically refers to the addition of hydrogen to a molecule, process also referred to as hydrogenation.
Reducing agents
- Free elements: carbon, hydrogen, magnesium
- Metal hydrides: calcium hydride, lithium aluminium hydride, sodium borohydride
- Nonmetal hydrides: hydrazine, phosphine
- Acids: ascorbic acid, citric acid, formic acid, hydrogen sulfide, hydroiodic acid
- Salts: metabisulfites, sulfites, thiosulfates, salts of transition metals in low oxidation states (e.g. iron (II) sulfate)
- Sugars: fructose, glucose
- Oxides: carbon monoxide, nitric oxide, sulfur dioxide
- Alloys: Devarda's alloy, Raney nickel, Na-Pb
- Amalgams: Zn-Hg, Na-Hg, Al-Hg
- Miscellaneous: palladium on carbon
