101 - 200 (1) Available for Sale. The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. Despite its structural differences with sulfuric and selenic acid, telluric acid is a diprotic acid with p K a 1 = 7.68 and p K a 2 = 11.29. Phys. The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. Proprietăți Fizice. What is the oxidation state of tellurium in Te(OH) 6 ? Selenic acid is an inorganic substance consisting of a selenate anion and a hydrogen cation. Required fields are marked *. Predict the Selenic Acid Formula....I put H subscript 2 O subscript 4 Se and got it wrong??? Although it has few uses, its derivative sodium selenate is used in the production of glass and animal feeds. Este un acid tare, vâscos, ce împarte, în mare parte, proprietăți chimice și fizice similare cu cele ale acidului sulfuric. b. [3] In the solid state, it crystallizes in an orthorhombic structure.[4]. Its chemical formula is H2SeO4. Selenic acid is the inorganic compound with the formula H 2SeO 4. Seppelt, K. “Selenoyl difluoride” Inorganic Syntheses, 1980, volume XX, pp. [3], Treatment with fluorosulfuric acid gives selenoyl fluoride:[7], Hot, concentrated selenic acid reacts with gold, forming a reddish-yellow solution of gold(III) selenate:[8]. Selenic acid is used as a specialized oxidizing agent. Selenic acid is a stronger oxidizer than sulfuric acid,[5] capable of liberating chlorine from chloride ions, being reduced to selenous acid in the process: It decomposes above 200 °C, liberating oxygen gas and being reduced to selenous acid:[5], Selenic acid reacts with barium salts to precipitate BaSeO4, analogous to the sulfate. Although it has few uses, its derivative sodium selenate is used in the production of glass and animal feeds. It is a colorless compound. Your email address will not be published. ... Selenic acid solution. It may oxidize organic matter such as wood, cotton, fiberboard, etc. Because it is an acid, hydrogen needs to be at the beginning. It is a colorless compound. Selenic acid is a strong dibasic acid with the formula H 2 SeO 4.It can be manufactured by oxidising selenium compounds in lower oxidation states. a. It is the principal oxoacid of selenium; the other being selenic acid. The formula for the selenate ion is SeO42-. One of the methods includes oxidising selenium dioxide with hydrogen peroxide. Formula Weight. [6], Another method of preparing selenic acid is by the oxidation of elemental selenium in a water suspension by chlorine:[5], To obtain the anhydrous acid as a crystalline solid, the resulting solution is evaporated at temperatures below 140 °C (413 K; 284 °F) in a vacuum. Journal of Agricultural and Food Chemistry. It is a colorless compound. The correct formula is H2Se. Known as: Acid, Selenic, Selenic Acid [Chemical/Ingredient] A strong dibasic acid with the molecular formula H2SeO4. Crystalline mono- and di-hydrates are known. It is an oxoacid of selenium, and its structure is more accurately described as (HO) 2SeO 2. The reactions can generate dangerously large amounts of heat in small spaces. The a Se–O bond length is 161 pm. Bernd E. Langner "Selenium and Selenium Compounds" in Ullmann's Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH, Weinheim. USA; Globally; Search term: "selenic acid" Compare Products: Select up to 4 products. Selenic acid is an organic compound with the chemical formula H2SeO4. Concentrated solutions are viscous. SELENIC ACID, LIQUID reacts exothermically with chemical bases (for example: amines and inorganic hydroxides) to form salts. Structurally, it is more accurately described by (HO)2SeO. To learn more about such chemistry topics register to BYJU’S now! One method involves the oxidation of selenium dioxide with hydrogen peroxide: Unlike the production sulfuric acid by hydration of sulfur trioxide, the hydration of selenium trioxide is an impractical method. [2] 36, 100 (1827); by treating calcium selenate with cadmium oxalate and hydrogen sulfide: von Hauer, J. Prakt.Chem. [7], Like sulfuric acid, selenic acid is a strong acid that is hygroscopic and extremely soluble in water. It can be manufactured by oxidising selenium compounds in lower oxidation states. [3] Instead, selenic acid may also be prepared by the oxidation of selenous acid (H2SeO3) with halogens, such as chlorine or bromine, or with potassium permanganate. It is an oxoacid of selenium, and its structure is more accurately described as (HO)2SeO2. \(SeO_2+H_2O_2\rightarrow H_2SeO_4\) Although it has few uses, its derivative sodium selenate is … In general, selenate salts resemble sulfate salts, but are more soluble. 1 Product Result | Match Criteria: Product Name, Description Linear Formula: H 2 SeO 4. [2], The molecule is tetrahedral, as predicted by VSEPR theory. [5] The monohydrate melts at 26 °C, and the dihydrate melts at −51.7 °C.[3]. 36-38. https://en.wikipedia.org/w/index.php?title=Selenic_acid&oldid=981000726, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, This page was last edited on 29 September 2020, at 18:17. 9, 623 (1827); 11, 327 (1827); Ann. The Effect of SO2 on the Production of Ethanol, Acetaldehyde, Organic Acids, and … Selenic acid is the inorganic compound with the formula H 2SeO 4. 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selenic acid formula

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