• Comproportionation or symproportionation is a chemical reaction where two reactants containing the same element but with different oxidation numbers, form...
    5 KB (618 words) - 05:49, 5 August 2024
  • formed from precursors of lower and higher oxidation states, is called comproportionation, also known as symproportionation. More generally, the term can be...
    17 KB (1,897 words) - 07:47, 22 August 2024
  • Thumbnail for Frost diagram
    a thermodynamic sink, and is intrinsically stable, giving rise to comproportionation (↘↙). On the Frost diagram for nitrogen, hydrazoic acid (HN3 / N−3)...
    15 KB (1,831 words) - 15:30, 12 August 2024
  • Thumbnail for Bromine
    be synthesised by the direct reaction of the elements, or by the comproportionation of bromine and bromine trifluoride at high temperatures. Bromine monochloride...
    67 KB (7,715 words) - 20:33, 10 August 2024
  • such as sodium nitrite. Each elementary redox reaction is also a comproportionation reaction because two different N-species (N−3 and NO−2) converge to...
    19 KB (2,184 words) - 13:36, 9 October 2024
  • preparation of ferrocene ferrous chloride is generated in situ by comproportionation of FeCl3 with iron powder in tetrahydrofuran (THF). Ferric chloride...
    11 KB (896 words) - 15:08, 30 June 2024
  • Thumbnail for Vanadium(V) oxide
    Upon heating a mixture of vanadium(V) oxide and vanadium(III) oxide, comproportionation occurs to give vanadium(IV) oxide, as a deep-blue solid: V2O5 + V2O3...
    17 KB (1,550 words) - 14:25, 4 October 2024
  • more iron metal converted the ferric bromide to ferrous bromide via comproportionation. Where desired, free bromine may be obtained by thermal decomposition...
    1 KB (173 words) - 09:04, 10 April 2024
  • Thumbnail for Sulfur
    oxidation of some hydrogen sulfide to sulfur dioxide and then the comproportionation of the two: 3 O2 + 2 H2S → 2 SO2 + 2 H2O SO2 + 2 H2S → 3 S + 2 H2O...
    99 KB (11,027 words) - 22:17, 18 October 2024
  • Thumbnail for Tin
    Alternatively SnCl4 and Sn combine to stannous chloride by a process called comproportionation: SnCl4 + Sn → 2 SnCl 2 Tin can form many oxides, sulfides, and other...
    81 KB (8,961 words) - 07:56, 19 October 2024
  • aqueous extracts with sodium bisulfite to give sodium iodide. This comproportionation reaction is a major source of the sodium iodide. Calcium iodate can...
    3 KB (187 words) - 11:33, 1 November 2023
  • Thumbnail for Micelle
    +qe or -qe. This charging takes place through a disproportionation/comproportionation mechanism rather than a dissociation/association mechanism and the...
    25 KB (3,027 words) - 11:33, 23 August 2024
  • Thumbnail for Lead dioxide
    battery stores and releases energy by shifting the equilibrium (a comproportionation) between metallic lead, lead dioxide, and lead(II) salts in sulfuric...
    14 KB (1,458 words) - 06:20, 27 September 2024
  • are produced by redistribution, a reaction called the Kocheshkov comproportionation: 3 SnBu4 + SnCl4 → 4 SnBu3Cl Many metal halides undergo redistribution...
    3 KB (359 words) - 00:14, 3 November 2023
  • Thumbnail for Copper(I) chloride
    oxychloride. For this purpose aqueous copper(I) chloride is generated by comproportionation and then air-oxidized: Cu + CuCl2 → 2 CuCl 4 CuCl + O2 + 2 H2O → Cu3Cl2(OH)4...
    17 KB (1,560 words) - 07:28, 13 May 2024
  • Thumbnail for Iodine
    solution is then reacted with freshly extracted iodate, resulting in comproportionation to iodine, which may be filtered off. The caliche was the main source...
    107 KB (12,026 words) - 02:11, 19 October 2024
  • reduction Chain walking Chan–Lam coupling Chlorination Clusterification Comproportionation C–C coupling C–H activation Cyanation Cyclometalation Decarbonylation...
    4 KB (296 words) - 16:47, 16 February 2024
  • iron(III) chloride oxidizes iron powder to form iron(II) chloride via a comproportionation reaction: 2 FeCl3 + Fe → 3 FeCl2 A traditional synthesis of anhydrous...
    39 KB (3,874 words) - 06:52, 16 October 2024
  • Thumbnail for Niobium pentoxide
    gives NbO2: Nb2O5 + H2 → 2 NbO2 + H2O Niobium monoxide arises from a comproportionation using an arc-furnace: Nb2O5 + 3Nb → 5 NbO The burgundy-coloured niobium(III)...
    12 KB (1,223 words) - 03:23, 5 July 2024
  • an inert atmosphere: Yb + S → YbS An alternative synthesis is by comproportionation of ytterbium(III) sulfide and ytterbium metal in vacuum at 1000–1100...
    3 KB (241 words) - 12:22, 16 July 2024
  • Thumbnail for Mercury(I) nitrate
    reacts with elemental mercury (0) to form mercurous (I) nitrate (comproportionation reaction):[citation needed] Hg(NO3)2 + Hg ⇌ Hg2(NO3)2 Solutions of...
    5 KB (267 words) - 12:07, 19 July 2024
  • first reaction resembles a disproportionation reaction. The inverse comproportionation reaction is the reaction occurring in the Claus process used for desulfurization...
    12 KB (1,596 words) - 15:48, 5 July 2024
  • Thumbnail for Nitrogen cycle
    of each of these three words. This biological process is a redox comproportionation reaction, in which ammonia (the reducing agent giving electrons) and...
    57 KB (6,216 words) - 17:58, 11 September 2024
  • Thumbnail for Organotin chemistry
    chlorides by redistribution reactions (also known as the "Kocheshkov comproportionation" in the case of organotin compounds): 3 R4Sn + SnCl4 → 4 R3SnCl R4Sn...
    24 KB (2,623 words) - 18:21, 19 September 2024
  • Thumbnail for Tellurium dichloride
    tellurium with difluorodichloromethane. It can also be produced by the comproportionation of tellurium and tellurium tetrachloride. Tellurium dichloride is...
    4 KB (306 words) - 17:39, 22 September 2024
  • nitric acid. Another method of producing the monohydrate is by the comproportionation of permanganate and Mn(II) in phosphoric acid: MnO4– + 4 Mn2+ + 10...
    6 KB (470 words) - 21:10, 21 June 2024
  • Thumbnail for Vanadium oxydichloride
    oxychlorides of vanadium, it is a hygroscopic green solid. It is prepared by comproportionation of vanadium trichloride and vanadium(V) oxides: V2O5 + VOCl3 + 3 VCl3...
    2 KB (167 words) - 14:19, 6 July 2023
  • Thumbnail for Rhenium(IV) oxide
    used as a catalyst. It adopts the rutile structure. It forms via comproportionation: 2 Re2O7 + 3 Re → 7 ReO2 Single crystals are obtained by chemical...
    4 KB (242 words) - 08:22, 22 August 2024
  • Thumbnail for Oxoammonium-catalyzed oxidation
    N-alkoxy amines (which, presumably, proceed via intermediate 1). Comproportionation of the reduced product (a hydroxylamine) with the oxoammonium ion...
    13 KB (1,647 words) - 14:54, 28 March 2022
  • Thumbnail for Anammox
    University of Technology. In this biological process, which is a redox comproportionation reaction, nitrite and ammonium ions are converted directly into a...
    45 KB (5,170 words) - 13:39, 22 July 2024