In chemistry, a superacid (according to the original definition) is an acid with an acidity greater than that of 100% pure sulfuric acid (H2SO4), which...
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Fluoroantimonic acid (category Superacids)
and anions (the simplest being H 2F+ and Sb F− 6). This mixture is a superacid that, in terms of corrosiveness, is trillions of times stronger than pure...
15 KB (1,480 words) - 18:47, 11 September 2024
protonating medium than 100% sulfuric acid and thus, by definition, a superacid. (To prevent ambiguity, in the rest of this article, "strong acid" will...
18 KB (2,579 words) - 08:18, 29 July 2024
Carborane acid (redirect from Carborane superacid)
acids H(CXB 11Y 5Z 6) (X, Y, Z = H, Alk, F, Cl, Br, CF3) are a class of superacids, some of which are estimated to be at least one million times stronger...
23 KB (2,584 words) - 16:25, 23 September 2024
Magic acid (category Superacids)
Magic acid (FSO3H·SbF5) is a superacid consisting of a mixture, most commonly in a 1:1 molar ratio, of fluorosulfuric acid (HSO3F) and antimony pentafluoride...
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Antimony pentafluoride (category Superacids)
colourless, viscous liquid is a strong Lewis acid and a component of the superacid fluoroantimonic acid, formed upon mixing liquid HF with liquid SbF5 in...
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challenges in all applications due to the loss of water above 100 °C. It is a superacid catalyst. The combination of fluorinated backbone, sulfonic acid groups...
25 KB (2,743 words) - 05:13, 21 August 2024
His research involved the generation and reactivity of carbocations via superacids. For this research, Olah was awarded a Nobel Prize in Chemistry in 1994...
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Hammett acidity function (category Superacids)
that is used for very concentrated solutions of strong acids, including superacids. It was proposed by the physical organic chemist Louis Plack Hammett and...
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(HNO3); these are also known as bench acids. Mineral acids range from superacids (such as perchloric acid) to very weak ones (such as boric acid). Mineral...
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stronger with nearby electrons than any partly ionized atom. Although superacids are sometimes said to owe their extraordinary hydron-donating power to...
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CF3SO2. Abbreviated Tf2O, triflic anhydride is the acid anhydride of the superacid triflic acid, CF3SO2OH. Triflic anhydride is prepared by dehydration of...
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probably the strongest base according to quantum-chemical calculations. Superacid Phosphazene Puleo, Thomas R.; Sujansky, Stephen J.; Wright, Shawn E.;...
12 KB (1,181 words) - 02:46, 21 November 2023
acidic plastic that is filterable. Superacids are acids stronger than 100% sulfuric acid. Examples of superacids are fluoroantimonic acid, magic acid...
47 KB (5,956 words) - 18:26, 8 July 2024
polyatomic ion; this comes from the fact that triflic acid (CF3SO3H) is a superacid; i.e. it is more acidic than pure sulfuric acid, already one of the strongest...
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acid, HIO4 Fluoroantimonic acid, HSbF6 Magic acid, FSO3HSbF5 Carborane superacid, H(CHB11Cl11) Fluorosulfuric acid, FSO3H Triflic acid, CF3SO3H Strong...
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SbCl 5 is monomeric. SbF 5 is a powerful Lewis acid used to make the superacid fluoroantimonic acid ("H2SbF7"). Oxyhalides are more common for antimony...
59 KB (6,846 words) - 18:17, 13 September 2024
Fluorosulfuric acid (category Superacids)
is a far stronger protonating agent. These acids are categorized as "superacids", acids stronger than 100% sulfuric acid. Reflecting its strong acidity...
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Coudurier, Gisele; Joly, Jean Francois; Vedrine, Jacques C. (1993). "Superacid and catalytic properties of sulfated zirconia". Journal of Catalysis....
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monomer in liquid phase was achieved in a nonaqueous, low nucleophilicity superacid solution (HF−SbF5SO2). The ion was characterized by high resolution 17O...
36 KB (4,020 words) - 19:58, 12 September 2024
PMID 15186185. Yadav, G. D.; Lande, S. V., UDCaT-5: A Novel and Efficient Solid Superacid Catalyst for Claisen Rearrangement of Substituted Allyl Phenyl Ethers...
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be halogenated to form reactive structures including carborane acid, a superacid. As one example, carboranes form useful molecular moieties that add considerable...
127 KB (13,477 words) - 16:02, 23 September 2024
HF is also widely used in the petrochemical industry as a component of superacids. Due to strong and extensive hydrogen bonding, it boils at near room temperature...
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ECW model Acid types Brønsted–Lowry Lewis Mineral Organic Oxide Strong Superacids Weak Solid Base types Brønsted–Lowry Lewis Organic Oxide Strong Superbases...
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containers. It is used in containers for storing fluoroantimonic acid, a superacid. PTFE tubes are used in gas-gas heat exchangers in gas cleaning of waste...
56 KB (5,804 words) - 22:05, 1 October 2024
the Hammett acidity function, H0, has been developed in connection with Superacids. In 2010, a new approach to measuring pH was proposed, called the "unified...
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esterification and dehydration of alcohols. When allowed to react with superacids, sulfuric acid can act as a base and can be protonated, forming the [H3SO4]+...
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Methanium can also be produced as diluted solutions from methane with superacids. Cations with higher charge, such as CH2+6 and CH3+7, have been studied...
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Arpad; Olah, George Andrew; Surya Prakash, G. K.; Sommer, Jean (2009). Superacid Chemistry (2nd ed.). Wiley-Interscience. pp. 444–445. ISBN 978-0-471-59668-4...
60 KB (6,897 words) - 03:34, 26 August 2024
Methanium (category Superacids)
atoms and one dihydrogen molecule), bearing a +1 electric charge. It is a superacid and one of the onium ions, indeed the simplest carbonium ion. It is highly...
11 KB (1,067 words) - 05:41, 15 April 2024