Sodium bifluoride is the inorganic compound with the formula Na[HF2]. It is a salt of sodium cation (Na+) and bifluoride anion ([HF2]−). It is a white...
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bifluoride anion ([HF2]−). The salt is used as an etchant for glass. Sodium bifluoride is related and is also of commercial use as an etchant as well as...
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the bifluoride: H2[SiF6] + 6 NH3 + 2 H2O → SiO2 + 6 [NH4]F 2 [NH4]F → NH3 + [NH4][HF2] The resulting ammonium bifluoride is converted to sodium bifluoride...
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solutions containing HF, sodium fluoride precipitates as the bifluoride salt sodium bifluoride (NaHF2). Heating the latter releases HF and gives NaF. HF...
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Sodium fluorosilicate is a compound with the chemical formula Na2[SiF6]. Unlike other sodium salts, it has a low solubility in water. Sodium hexafluorosilicate...
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sours: type I is sodium silicofluoride and sodium acid fluoride in powdered, crystal, or flake form; type II is ammonium bifluoride in flake form. Harry...
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absorb hydrogen fluoride to form a bifluoride salt. Fluorine is produced by the electrolysis of molten potassium bifluoride. This electrolysis proceeds more...
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gives fluorine. Solutions of inorganic fluorides in water contain F− and bifluoride HF− 2. Few inorganic fluorides are soluble in water without undergoing...
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Difluoride (section Bifluorides)
ion rather than as F− anions. Ammonium bifluoride Potassium bifluoride Sodium bifluoride Ethanedioyl difluoride Ethylidene difluoride Carbonyl difluoride...
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Sodium hexafluoroantimonate is an inorganic chemical compound with the chemical formula NaSbF6. Sodium hexafluoroantimonate may be synthesised by oxidation...
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NaHCO3 sodium bicarbonate 144–55–8 NaHF2 sodium bifluoride 1333–83–1 NaHS sodium bisulfide 16721–80–5 NaHSO3 sodium bisulfite 7631–90–5 NaI sodium iodide...
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Sodium hexafluoroarsenate is an inorganic chemical compound with the chemical formula NaAsF6. Sodium hexafluoroarsenate can be obtained by the fluorination...
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fluorine, F2, by electrolysis of a solution of HF and potassium bifluoride. The potassium bifluoride is needed because anhydrous HF does not conduct electricity...
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acid. Evaporation of the solution forms crystals of potassium bifluoride. The bifluoride on heating yields potassium fluoride: K 2 CO 3 + 4 HF ⟶ 2 KHF...
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HCl− 2 ions – the latter, in any case, are much less stable than the bifluoride ions (HF− 2) due to the very weak hydrogen bonding between hydrogen and...
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Sodium hexafluorotitanate is an inorganic compound of sodium, fluorine, and titanium with the chemical formula Na2TiF6. The compound forms white powder...
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MXenes (section Sodium-ion batteries)
contain a fluoride ion (F−), such as hydrofluoric acid (HF), ammonium bifluoride (NH4HF2), and a mixture of hydrochloric acid (HCl) and lithium fluoride...
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Sodium hexafluoroaluminate is an inorganic compound with formula Na3AlF6. This white solid, discovered in 1799 by Peder Christian Abildgaard (1740–1801)...
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Sodium hexafluorozirconate (Na2ZrF6) is a chemical compound which can also be referred to as sodium zirconium fluoride. It is an inorganic compound that...
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(a flux), sodium fluoride (water fluoridation), potassium fluoride (flux), and ammonium fluoride (various). Sodium and potassium bifluorides are significant...
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very short hydrogen bond (114.5 pm) that is similar to the length in the bifluoride ion HF− 2 (114 pm). In aqueous solution the hydroxide ion forms strong...
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Henri Moissan, a chemist in Paris, performed electrolysis on potassium bifluoride dissolved in anhydrous hydrogen fluoride, and successfully isolated fluorine...
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(homoassociation) Overall: 3 HF ⇌ {\displaystyle \rightleftharpoons } HF2− + H2F+ The bifluoride anion (HF2−) encourages the ionization of HF by stabilizing the F−. Thus...
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HF molecules undergo homoassociation to form polyatomic ions (such as bifluoride, HF− 2) and protons, thus greatly increasing the acidity. This leads to...
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sources include glass-etching or chrome-cleaning agents like ammonium bifluoride or hydrofluoric acid, industrial exposure to fluxes used to promote the...
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NaNH2 Sodium aluminate – NaAlO2 Sodium arsenate – H24Na3AsO16 Sodium azide – NaN3 Sodium bicarbonate – NaHCO3 Sodium biselenide – NaSeH Sodium bisulfate...
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and HI− 2 ions – the latter, in any case, are much less stable than the bifluoride ions (HF− 2) due to the very weak hydrogen bonding between hydrogen and...
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devised a method to produce anhydrous samples from acidified potassium bifluoride; instead, he discovered that the resulting (dry) hydrogen fluoride did...
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→ ZrF4 + 2 H2 Zirconium dioxide reacts at 200 °C with solid ammonium bifluoride to give the heptafluorozirconate salt, which can be converted to the tetrafluoride...
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dioxotetrafluoride, which in turn is obtained from sodium molybdate: Na2MoO4 + 4 HF → Na2MoF4O2 + 2 H2O Heating sodium dioxotetrafluoride to 400 °C gives monomeric...
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