 | Chromate salts contain the chromate anion, CrO2− 4. Dichromate salts contain the dichromate anion, Cr 2O2− 7. They are oxyanions of chromium in the +6... 13 KB (1,232 words) - 23:27, 21 March 2024 |
 | containing dichromate ions, a yellow solution is obtained due to the formation of chromate ions (CrO2−4). For example, potassium chromate is produced... 20 KB (2,037 words) - 15:25, 21 March 2024 |
 | potassium and sodium dichromates are very similar. When treated with lead(II) nitrate, it gives an orange-yellow precipitate, lead(II) chromate. Unlike... 6 KB (517 words) - 20:29, 24 April 2024 |
 | around 30 to 35 degrees C Dichromate and chromate salts are oxidizing agents. For the tanning of leather, sodium dichromate is first reduced with sulfur... 9 KB (778 words) - 13:55, 24 January 2024 |
 | Subsequent to its formation, the chromate salt is converted to sodium dichromate, the precursor to most chromium compounds and materials. The industrial route... 7 KB (580 words) - 07:23, 14 August 2023 |
 | solution consisting of 182 g/L sodium dichromate (Na2Cr2O7 · 2H2O) and 6 mL/L concentrated sulfuric acid. The chromate coating process starts with a redox... 15 KB (1,760 words) - 02:31, 8 December 2023 |
Chromate or chromat, and their derived terms, may refer to: Chromate and dichromate, ions Monochromate, an ion Trichromate, an ion Tetrachromate, an ion... 911 bytes (123 words) - 23:29, 3 June 2021 |
 | line to be drawn on the predominance diagram. Red line Hydrogen chromate and dichromate have equal concentrations. Setting [HCrO−4] equal to [Cr2O2−7]... 5 KB (607 words) - 18:33, 14 January 2024 |
 | create zinc chromate for use in industry. This process is done by putting zinc or a zinc plated metal in a solution of sodium dichromate and sulfuric acid... 10 KB (886 words) - 16:15, 9 May 2024 |
 | Chromium(III) oxide (redirect from Chromium(III) chromate) decomposition of ammonium dichromate. (NH 4) 2Cr 2O 7 → Cr 2O 3 + N 2 + 4 H 2O The reaction has a low ignition temperature of less than 200 °C and is frequently used... 9 KB (840 words) - 21:34, 9 April 2024 |
 | Ammonium dichromate is an inorganic compound with the formula (NH4)2Cr2O7. In this compound, as in all chromates and dichromates, chromium is in a +6... 12 KB (1,057 words) - 04:45, 24 April 2023 |
 | dichromate solution. This is followed by drying and immersion in a 2% aqueous silver nitrate solution. By the same reaction as above, silver chromate... 14 KB (1,241 words) - 15:30, 23 January 2024 |
 | Lead(II) chromate is an inorganic compound with the chemical formula PbCrO4. It has a vivid yellow color and is generally insoluble. Two polymorphs of... 9 KB (801 words) - 04:13, 9 March 2024 |
 | Chromium (section Chemistry and compounds) temperatures dissolves the chromates and leaves the insoluble iron oxide. The chromate is converted by sulfuric acid into the dichromate. 4 FeCr2O4 + 8 Na2CO3... 100 KB (11,295 words) - 17:56, 6 May 2024 |
 | Hexavalent chromium (section Occurrence and uses) sodium dichromate. Sodium chromate is converted into other hexavalent chromium compounds such as chromium trioxide and various salts of chromate and dichromate... 66 KB (7,083 words) - 20:21, 28 April 2024 |
 | chloride and sodium chromate, or from strontium carbonate and sodium dichromate. Strontium chromate is approximately 30 times more soluble in water at 100 °C... 3 KB (147 words) - 02:01, 4 May 2024 |
 | Ammonium chromate is a salt with the formula (NH4)2CrO4. It forms yellow, monoclinic crystals; made from ammonium hydroxide and ammonium dichromate; used... 3 KB (151 words) - 18:46, 25 February 2022 |
 | Chromium(VI) oxide peroxide (category Chromates) solutions of metal chromates or dichromates, such as sodium chromate or potassium dichromate. The generally yellow chromates or orange dichromates turn to dark... 5 KB (512 words) - 05:52, 4 February 2024 |
Chromic acid (category Chromates) solution formed by the addition of sulfuric acid to aqueous solutions of dichromate. It consists at least in part of chromium trioxide. The term chromic acid... 15 KB (1,357 words) - 22:57, 23 February 2024 |
 | dichromate) yields the chromate following alkalinisation with caesium hydroxide: Cs2Cr2O7(aq) + 2 CsOH(aq) → 2 Cs2CrO4(aq) + H2O(ℓ) Caesium chromate was... 5 KB (390 words) - 14:23, 10 January 2024 |
 | Chromium(VI) compounds are oxidants at low or neutral pH. Chromate anions (CrO2− 4) and dichromate (Cr2O72−) anions are the principal ions at this oxidation... 14 KB (1,400 words) - 20:36, 19 December 2023 |
 | Pyridinium chlorochromate (category Chromates) lupenone: With tertiary alcohols, the chromate ester formed from PCC can isomerize via a [3,3]-sigmatropic reaction and following oxidation yield an enone... 10 KB (779 words) - 15:14, 11 April 2024 |
chromate Chromium trioxide (chromium(VI) oxide), CrO3 Chromium(VI) oxide peroxide, CrO5 Mixed valence species, such as Cr8O21 Chromate and dichromate... 635 bytes (83 words) - 11:28, 28 March 2023 |
 | from the chromate oxidation of various organic compounds. Anthroquinone and quinone are produced on large scale by treatment of anthracene and phenol with... 9 KB (710 words) - 13:39, 3 April 2024 |
CRO (section Arts and entertainment) Registration Office (disambiguation) Cathode-ray oscilloscope Chromate and dichromate Chromium(II) oxide, with chromium in the +2 oxidation state Contract... 2 KB (233 words) - 16:29, 26 February 2023 |
 | 3 CO The hydrated chlorides are prepared by treatment of chromate with hydrochloric acid and aqueous methanol. Slow reaction rates are common with chromium(III)... 15 KB (1,350 words) - 16:16, 10 April 2024 |
 | Cornforth reagent (redirect from Pyridinium dichromate) The pyridinium dichromate (PDC) or Cornforth reagent is a pyridinium salt of dichromate with the chemical formula [C5H5NH]2[Cr2O7]. This compound is named... 8 KB (766 words) - 15:07, 1 June 2023 |
mechanistically related oxidations using pyridinium dichromate or pyridinium chlorochromate. Chromate esters of allyl alcohols may isomerize via formal... 2 KB (186 words) - 19:40, 27 October 2022 |
containing the element chlorine. Chromate Chromate salts contain the chromate anion, CrO2− 4. Dichromate salts contain the dichromate anion, Cr 2O2− 7. They are... 281 KB (31,771 words) - 19:43, 21 March 2024 |
 | Chromyl chloride can be prepared by the reaction of potassium chromate or potassium dichromate with hydrogen chloride in the presence of sulfuric acid, followed... 7 KB (432 words) - 19:45, 24 October 2023 |