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Permanganic acid (or manganic(VII) acid) is the inorganic compound with the formula H MnO 4 and various hydrates. [3] This strong oxoacid has been isolated as its dihydrate. It is the conjugate acid of permanganate salts. It is the subject of few publications and its characterization as well as its uses are very limited.
A permanganate (/ p ər ˈ m æ ŋ ɡ ə n eɪ t, p ɜːr-/) [1] is a chemical compound with the manganate(VII) ion, MnO − 4, the conjugate base of permanganic acid.Because the manganese atom has a +7 oxidation state, the permanganate(VII) ion is a strong oxidising agent.
A major application of KMnO 4 is as a reagent for the synthesis of organic compounds. [42] Significant amounts are required for the synthesis of ascorbic acid, chloramphenicol, saccharin, isonicotinic acid, and pyrazinoic acid. [36] KMnO 4 is used in qualitative organic analysis to test for the presence of unsaturation.
Permanganic acid can be prepared by the reaction of dilute sulfuric acid with a solution barium permanganate, the insoluble barium sulfate byproduct being removed by filtering: [3] Ba(MnO 4) 2 + H 2 SO 4 → 2 HMnO 4 + BaSO 4. The sulfuric acid used must be dilute; reactions of permanganates with concentrated sulfuric acid yield the anhydride ...
Permanganic acid This page was last edited on 3 July 2024, at 19:14 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 License ...
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