• Thumbnail for Rhodium(III) oxide
    Rhodium(III) oxide (or Rhodium sesquioxide) is the inorganic compound with the formula Rh2O3. It is a gray solid that is insoluble in ordinary solvents...
    7 KB (568 words) - 17:04, 3 April 2023
  • Rhodium oxide can refer to: Rhodium(III) oxide, Rh2O3 Rhodium(IV) oxide, RhO2 This set index article lists chemical compounds articles associated with...
    438 bytes (47 words) - 13:15, 31 December 2019
  • Rhodium-platinum oxide (Rh–Pt oxide), or Nishimura's catalyst, is an inorganic compound used as a hydrogenation catalyst. Rh–Pt oxide is used to reduce...
    4 KB (404 words) - 15:02, 17 June 2023
  • Thumbnail for Rhodium
    The rhodium oxides include Rh 2O 3, RhO 2, RhO 2·xH 2O, Na 2RhO 3, Sr 3LiRhO 6 and Sr 3NaRhO 6. None are of technological significance. All the Rh(III) halides...
    32 KB (3,845 words) - 09:55, 6 November 2024
  • Thumbnail for Rhodium(III) chloride
    Rhodium(III) chloride refers to inorganic compounds with the formula RhCl3(H2O)n, where n varies from 0 to 3. These are diamagnetic red-brown solids....
    19 KB (1,917 words) - 17:56, 26 July 2024
  • Thumbnail for Rhodium(IV) oxide
    Rhodium(IV) oxide (or rhodium dioxide) is the chemical compound with the formula RhO2. RhO2 is highly insoluble even in hot aqua regia. RhO2 has the tetragonal...
    2 KB (144 words) - 23:22, 14 December 2021
  • Rh4F20 Rhodium(III) chloride – RhCl3 Rhodium(III) hydroxide – Rh(OH)3 Rhodium(III) iodide – RhI3 Rhodium(III) nitrate – Rh(NO3)3 Rhodium(III) oxide – Rh2O3...
    119 KB (8,735 words) - 18:51, 11 November 2024
  • Thumbnail for Wilkinson's catalyst
    Wilkinson's catalyst (chlorido­tris(triphenylphosphine)­rhodium(I)) is a coordination complex of rhodium with the formula [RhCl(PPh3)], where 'Ph' denotes a...
    13 KB (1,208 words) - 21:25, 19 August 2024
  • Thumbnail for Iron(III) acetate
    [Fe2CoO(OAc)6(H2O)3]. Chromium(III), ruthenium(III), vanadium(III), manganese(III) and rhodium(III) form analogous compounds. Iron(III) acetate (lacking the oxo...
    6 KB (605 words) - 02:11, 22 October 2024
  • extrapolated ionic against Allen electronegativities of rhodium and sulfur, yielding oxidation state +1 for rhodium: This algorithm works on Lewis structures and...
    47 KB (10,419 words) - 02:26, 27 October 2024
  • Thumbnail for Iridium(III) chloride
    iridium(III) chloride. Hydrated iridium trichloride is obtained by heating hydrated iridium(III) oxide with hydrochloric acid. Like the related rhodium compound...
    10 KB (784 words) - 12:54, 5 November 2024
  • Thumbnail for Indium(III) fluoride
    very similar to that of rhodium(III) fluoride. Each In center is octahedral. It is formed by the reaction of indium(III) oxide with hydrogen fluoride or...
    3 KB (151 words) - 12:58, 26 November 2021
  • sublimation of the rhodium compounds rhodium(III) oxide (Rh2O3) and rhodium(III) chloride (RhCl3). However, macroscopic amounts of the oxide would not sublimate...
    32 KB (6,933 words) - 17:00, 18 November 2024
  • Thumbnail for Catalytic converter
    their inability to control oxides of nitrogen, manufacturers briefly installed twin catalyst systems, with an NOx reducing, rhodium/platinum catalyst ahead...
    56 KB (6,707 words) - 22:48, 14 November 2024
  • 13693–07–7 RhI3 rhodium(III) iodide 15492–38–3 Rh(NO3)3 rhodium(III) nitrate 13465–43–5 RhO2 rhodium(IV) oxide 12137–27–8 RhS2 rhodium(IV) sulfide 12038–73–2...
    139 KB (120 words) - 17:07, 15 July 2024
  • Thumbnail for Chromium
    Chromium (redirect from Chromium(III))
    number of chromium(III) compounds are known, such as chromium(III) nitrate, chromium(III) acetate, and chromium(III) oxide. Chromium(III) can be obtained...
    110 KB (12,025 words) - 20:43, 19 October 2024
  • Thumbnail for Group 9 element
    an oxide, even when heated. Oxygen is absorbed from the atmosphere only at the melting point of rhodium but is released on solidification. Rhodium has...
    21 KB (2,191 words) - 17:34, 6 November 2024
  • 1968, highly active rhodium-based catalysts were reported. Since the 1970s, most hydroformylation relies on catalysts based on rhodium. Water-soluble catalysts...
    26 KB (3,140 words) - 22:07, 13 July 2024
  • Thumbnail for Electrochemical coloring of metals
    nickel plating, black chromium plating, black rhodium plating and black ruthenium plating. Anodic oxidation of aluminum, titanium, niobium, tantalum and...
    16 KB (1,913 words) - 11:42, 9 October 2024
  • Rhodium(III) hydroxide is a chemical compound with the formula Rh(OH)3. Various compounds of rhodium(III) with hydroxide ligands are known. Some double...
    3 KB (244 words) - 13:10, 5 January 2024
  • Thumbnail for Gallium
    most other materials (with the exceptions of quartz, graphite, gallium(III) oxide and PTFE),: 221  making it mechanically more difficult to handle even...
    74 KB (8,763 words) - 07:25, 17 November 2024
  • Thumbnail for Noble metal
    Noble metal (section Oxides)
    form. Gold, platinum, and the other platinum group metals (ruthenium, rhodium, palladium, osmium, iridium) are most often so classified. Silver, copper...
    28 KB (2,759 words) - 05:46, 29 October 2024
  • Thumbnail for Chlorobis(ethylene)rhodium dimer
    methanolic solution of hydrated rhodium trichloride with ethylene at room temperature. Rh(III) is reduced with oxidation of ethylene to acetaldehyde: 2...
    3 KB (260 words) - 17:18, 18 June 2024
  • Thumbnail for Organorhodium chemistry
    Organometallic rhodium compounds share many characteristics with those of iridium, but less so with cobalt. Rhodium can exist in oxidation states of -III to +V...
    10 KB (1,125 words) - 13:44, 11 October 2023
  • Thumbnail for Ruthenium
    observed in the neighboring metals niobium (41), molybdenum (42), and rhodium (45). Ruthenium has four crystal modifications and does not tarnish at...
    48 KB (5,479 words) - 02:37, 16 November 2024
  • Thumbnail for Holmium
    forming a yellowish oxide layer that has an appearance similar to that of iron rust. It burns readily to form holmium(III) oxide: 4 Ho + 3 O2 → 2 Ho2O3...
    37 KB (4,316 words) - 08:32, 2 November 2024
  • Thumbnail for Iridium
    (1982). "The chemistry of ruthenium, osmium, rhodium, iridium, palladium and platinum in the higher oxidation states". Coordination Chemistry Reviews. 46:...
    82 KB (7,874 words) - 17:24, 12 October 2024
  • Thumbnail for Palladium
    goddess Athena, acquired by her when she slew Pallas. Palladium, platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as...
    60 KB (6,409 words) - 18:47, 21 November 2024
  • Thumbnail for Iron
    due to its oxide layer. Iron forms various oxide and hydroxide compounds; the most common are iron(II,III) oxide (Fe3O4), and iron(III) oxide (Fe2O3). Iron(II)...
    150 KB (17,078 words) - 12:22, 24 August 2024
  • Thumbnail for Acetic acid
    in plants using rhodium catalysis. Prior to the commercialization of the Monsanto process, most acetic acid was produced by oxidation of acetaldehyde...
    62 KB (6,559 words) - 16:51, 10 November 2024