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2. Chromium(III) oxide - Wikipedia

   en.wikipedia.org/wiki/Chromium(III)_oxide

   It is derived from the mineral chromite, (Fe,Mg)Cr 2 O 4. The conversion of chromite to chromia proceeds via Na 2 Cr 2 O 7, which is reduced with sulfur at high temperatures: [8] Na 2 Cr 2 O 7 + S → Na 2 SO 4 + Cr 2 O 3. The oxide is also formed by the decomposition of chromium salts such as chromium nitrate, or by the exothermic ...

3. Chromium compounds - Wikipedia

   en.wikipedia.org/wiki/Chromium_compounds

   Chromium compounds are compounds containing the element chromium (Cr). Chromium is a member of group 6 of the transition metals. The +3 and +6 states occur most commonly within chromium compounds, followed by +2; charges of +1, +4 and +5 for chromium are rare, but do nevertheless occasionally exist. [3] [4]

4. Glossary of chemical formulae - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_chemical_formulae

   F 4 Mg 2: dimagnesium tetrafluoride: 56450-89-6 F 4 Mg 2: magnesium fluoride: 58790-41-3 F 4 Mo: molybdenum tetrafluoride: 23412-45-5 F 4 MoO: molybdenum tetrafluoride oxide: 14459-59-7 F 4 MoS: molybdenum tetrafluoride monosulfide: 70487-60-4 F 4 N 2: tetrafluorohydrazine: 10036-47-2 F 4 Na 2 Sn: disodium tetrafluorostannate: 15007-55-3 F 4 ...

5. Chromium(VI) oxide peroxide - Wikipedia

   en.wikipedia.org/wiki/Chromium(VI)_oxide_peroxide

   Aqueous chromium(VI) oxide peroxide decomposes in a few seconds, turning green as chromium(III) compounds are formed. [4] 2 CrO(O 2) 2 + 7 H 2 O 2 + 6 H + → 2 Cr 3+ + 10 H 2 O + 7 O 2. Stable adducts of the type CrO(O 2) 2 L include those with L = diethyl ether, 1-butanol, ethyl acetate, or amyl acetate. They form by adding a layer of the ...

6. Chromium oxide - Wikipedia

   en.wikipedia.org/wiki/Chromium_oxide

   Chromium oxide may refer to: Chromium(II) oxide, CrO; Chromium(III) oxide, Cr 2 O 3; Chromium dioxide (chromium(IV) oxide), CrO 2, which includes the hypothetical compound chromium(II) chromate; Chromium trioxide (chromium(VI) oxide), CrO 3; Chromium(VI) oxide peroxide, CrO 5; Mixed valence species, such as Cr 8 O 21

7. Chromium trioxide - Wikipedia

   en.wikipedia.org/wiki/Chromium_trioxide

   Chromium trioxide (also known as chromium(VI) oxide or chromic anhydride) is an inorganic compound with the formula CrO 3. It is the acidic anhydride of chromic acid, and is sometimes marketed under the same name. [6] This compound is a dark-purple solid under anhydrous conditions and bright orange when wet. The substance dissolves in water ...