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Technetium also shows a stable +4 state whilst rhenium exhibits stable +4 and +3 states. Bohrium may therefore also show these lower states as well. The higher +7 oxidation state is more likely to exist in oxyanions, such as perbohrate, BhO 4 −, analogous to the lighter permanganate, pertechnetate, and perrhenate. Nevertheless, bohrium(VII ...
A permanganate (/ pərˈmæŋɡəneɪt, pɜːr -/) [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. The ion is a transition metal ion with a tetrahedral structure. [2]
Oxidation states are typically represented by integers which may be positive, zero, or negative. In some cases, the average oxidation state of an element is a fraction, such as 8 / 3 for iron in magnetite Fe 3 O 4 . The highest known oxidation state is reported to be +9, displayed by iridium in the tetroxoiridium(IX) cation (IrO + 4). [1]
For example, compounds of vanadium are known in all oxidation states between −1, such as [V(CO) 6] −, and +5, such as VO 3− 4. Oxidation states of the transition metals. The solid dots show common oxidation states, and the hollow dots show possible but unlikely states. Main-group elements in groups 13 to 18 also exhibit multiple oxidation ...
The oxidation states are also maintained in articles of the elements (of course), and systematically in the table {{Infobox element/symbol-to-oxidation-state}} (An overview is here). See also [ edit ]
Manganese (VII) oxide (manganese heptoxide) is an inorganic compound with the formula Mn 2 O 7. Manganese heptoxide is a volatile liquid with an oily consistency. It is a highly reactive and powerful oxidizer that reacts explosively with nearly any organic compound. It was first described in 1860. [1] It is the acid anhydride of permanganic acid.
4 Tc + 7 O 2 → 2 Tc 2 O 7. It is a molecular metal oxide, analogous to manganese heptoxide. It adopts a centrosymmetric structure with two types of Tc−O bonds with 167 and 184 pm bond lengths. [3] Technetium heptoxide hydrolyzes to pertechnetate and pertechnetic acid, depending on the pH: [4] [5] Tc 2 O 7 + 2 OH − → 2 TcO 4 − + H 2 O ...
Manganese (II,III) oxide. Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). ?) Manganese (II,III) oxide is the chemical compound with formula Mn 3 O 4. Manganese is present in two oxidation states +2 and +3 and the formula is sometimes written as MnO · Mn 2 O 3.