Iron(II) selenate (ferrous selenate) is an inorganic compound with the formula FeSeO4. It has anhydrous and several hydrate forms. The pentahydrate has the structure, [Fe(H2O)4]SeO4•H2O, isomorphous to the corresponding iron(II) sulfate.[2] Heptahydrate is also known, in form of unstable green crystalline solid.[3]
Iron(II) selenate can be prepared by the reaction of saturated sodium selenate and iron(II) sulfate at 80 °C. When cooled to room temperature, crystalline iron(II) selenate precipitates from the solution.[4]
Na2SeO4 (sat.) + FeSO4 → Na2SO4 + FeSeO4
The reaction of iron and selenic acid produces iron(II) selenate as well, but with a side product:[3]
^K. Heinzinger, G. Pálinkás, Hubertus Kleeberg. Interactions of Water in Ionic and Nonionic Hydrates: Proceedings of a Symposium in honour of the 65th birthday of W.A.P. Luck Marburg/FRG, 2.–3.4. 1987. Springer-Verlag Berlin Heidelberg, 1987
^ abcA E H Tutton. Selenic Acid and Iron. - Reduction of Selenic Acid by Nascent Hydrogen and Hydrogen Sulphide. - Preparation of Ferrous Selenate and Double Selenates of Iron Group. Proceedings of the Royal Society A, 1918 , 94 (241) :352-361
^Filonenko, E. N.; Vergeichik, E. N.. Preparation and analysis of cobalt (II) selenate and iron (II) selenate. Farmatsiya (Moscow), 1998. 47 (3): 36-37
^G Giester, F Pertlik. Synthesis and crystal structure of iron(III) selenate(IV) trihydrate, Fe2(SeO3)3·3H2O. Journal of Alloys & Compounds, 1994 , 210 (1-2) :125-128
^Pinaev, G. F.; Stukan, R. A.; Makarov, E. F.. Moessbauer effect in iron(3+) selenites. Zhurnal Neorganicheskoi Khimii, 1977. 22 (7): 1731-1733
February 16, 2023
iron, selenate, ferrous, selenate, inorganic, compound, with, formula, feseo4, anhydrous, several, hydrate, forms, pentahydrate, structure, seo4, isomorphous, corresponding, iron, sulfate, heptahydrate, also, known, form, unstable, green, crystalline, solid, n. Iron II selenate ferrous selenate is an inorganic compound with the formula FeSeO4 It has anhydrous and several hydrate forms The pentahydrate has the structure Fe H2O 4 SeO4 H2O isomorphous to the corresponding iron II sulfate 2 Heptahydrate is also known in form of unstable green crystalline solid 3 Iron II selenate NamesOther names Ferrous selenateIdentifiersCAS Number anhydrous 15857 43 9 1 pentahydrate 70807 08 83D model JSmol anhydrous Interactive image pentahydrate Interactive imageInChI anhydrous InChI 1S Fe H2O4Se c 1 5 2 3 4 h H2 1 2 3 4 q 2 p 2Key NCHUFZYUFAWBQI UHFFFAOYSA L pentahydrate InChI 1S Fe H2O4Se 5H2O c 1 5 2 3 4 h H2 1 2 3 4 5 1H2 q 2 p 2Key YXLBLVIIVLRXHU UHFFFAOYSA LSMILES anhydrous O Se O O O Fe 2 pentahydrate O Se O O O Fe 2 O O O O OPropertiesChemical formula FeSeO4Molar mass 198 8046 g mol anhydrous 288 881 g mol pentahydrate 324 91156 g mol heptahydrate Appearance green unstable crystalline solid heptahydrate Solubility in water solubleExcept where otherwise noted data are given for materials in their standard state at 25 C 77 F 100 kPa Infobox referencesPreparation EditIron II selenate can be prepared by the reaction of saturated sodium selenate and iron II sulfate at 80 C When cooled to room temperature crystalline iron II selenate precipitates from the solution 4 Na2SeO4 sat FeSO4 Na2SO4 FeSeO4The reaction of iron and selenic acid produces iron II selenate as well but with a side product 3 Fe H2SeO4 FeSeO4 H2 3 Fe 4 H2SeO4 3 FeSeO4 Se 4 H2OOther species containing oxoanion of selenium EditDouble salts like the Tutton s salts NH4 2Fe SeO4 2 6H2O and K2Fe SeO4 2 6H2O are known 3 In addition to the ferrous Fe2 salt the ferric Fe3 salt iron III selenate Fe2 SeO4 3 has also been reported 5 However iron II selenite FeSeO3 is unknown though the selenite and pyroselenite of iron III was published 6 References Edit CAS No from SciFinder K Heinzinger G Palinkas Hubertus Kleeberg Interactions of Water in Ionic and Nonionic Hydrates Proceedings of a Symposium in honour of the 65th birthday of W A P Luck Marburg FRG 2 3 4 1987 Springer Verlag Berlin Heidelberg 1987 a b c A E H Tutton Selenic Acid and Iron Reduction of Selenic Acid by Nascent Hydrogen and Hydrogen Sulphide Preparation of Ferrous Selenate and Double Selenates of Iron Group Proceedings of the Royal Society A 1918 94 241 352 361 Filonenko E N Vergeichik E N Preparation and analysis of cobalt II selenate and iron II selenate Farmatsiya Moscow 1998 47 3 36 37 G Giester F Pertlik Synthesis and crystal structure of iron III selenate IV trihydrate Fe2 SeO3 3 3H2O Journal of Alloys amp Compounds 1994 210 1 2 125 128 Pinaev G F Stukan R A Makarov E F Moessbauer effect in iron 3 selenites Zhurnal Neorganicheskoi Khimii 1977 22 7 1731 1733 Retrieved from https en wikipedia org w index php title Iron II selenate amp oldid 1059932988, wikipedia, wiki, book, books, library,
