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The relative reactivity of the hexafluorides of S, Se, and Te follows the order TeF 6 > SeF 6 > SF 6, the latter being completely inert toward hydrolysis until high temperatures. SeF 6 also resists hydrolysis. [3] The gas can be passed through 10% NaOH or KOH without change, but reacts with gaseous ammonia at 200 °C. [8]
However, the reaction yield is low (14% [3]), and it is hard to purify due to large amount of SeF 6 byproduct. [4] Pentafluoroselenium hypofluorite can also formed from selenium oxyfluoride and fluorine gas in the presence of potassium fluoride. [4] [5] SeOF 2 + KF → K + [SeOF 3] − — F 2 → K + [SeOF 5] − — F 2 → KF + SeOF 6
AsF 5 + KF → KAsF 6. Also, it can be synthesized by the action of hydrofluoric acid on arsenic pentafluoride in the presence of potassium perbromate: [4] KBrO 4 + 3HF + 2AsF 5 + KF → KAsF 6 + AsF 6 [H 3 O] Also, potassium hexafluoroarsenate is synthesized by treating arsenic pentachloride and potassium chloride in the presence of ...
Seleninyl fluoride can be produced by the reaction of selenium oxychloride and potassium fluoride. [3]2 KF + SeOCl 2 → 2 KCl + SeOF 2. It can also be produced by the reaction of selenium tetrafluoride with water or selenium dioxide.
That's due to a provision in a must-pass funding bill that's set to get a vote this week. Rank-and-file lawmakers have been making $174,000 since 2009. For the first time since 2009, members of ...
Both omega-6 and omega-3 fatty acids are types of unsaturated fats, beneficial for heart health. That's why the American Heart Association says seed oils can be part of a healthy diet. Omega-6s ...
TikTok will be banned in the United States on Jan. 19, 2025, after a federal appeals court rejected its bid to overturn the ban that President Biden signed in April. The law states that if TikTok ...
Hexaoxygen difluoride is a binary inorganic compound of fluorine and oxygen with the chemical formula O 6 F 2. [ 1 ] [ 2 ] The compound is one of many known oxygen fluorides . [ 3 ]