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Bromine dioxide is the chemical compound composed of bromine and oxygen with the formula BrO 2.It forms unstable yellow [2] to yellow-orange [1] crystals. It was first isolated by R. Schwarz and M. Schmeißer in 1937 and is hypothesized to be important in the atmospheric reaction of bromine with ozone. [3]
[1] [2] In simple terms, formal charge is the difference between the number of valence electrons of an atom in a neutral free state and the number assigned to that atom in a Lewis structure. When determining the best Lewis structure (or predominant resonance structure) for a molecule, the structure is chosen such that the formal charge on each ...
[1] [2] [3] Introduced by Gilbert N. Lewis in his 1916 article The Atom and the Molecule, a Lewis structure can be drawn for any covalently bonded molecule, as well as coordination compounds. [4] Lewis structures extend the concept of the electron dot diagram by adding lines between atoms to represent shared pairs in a chemical bond.
SnBr 2 + RBr → RSnBr 3. Tin(II) bromide can act as a Lewis acid forming adducts with donor molecules e.g. trimethylamine where it forms NMe 3 ·SnBr 2 and 2NMe 3 ·SnBr 2 [11] It can also act as both donor and acceptor in, for example, the complex F 3 B·SnBr 2 ·NMe 3 where it is a donor to boron trifluoride and an acceptor to trimethylamine ...
Bond energies to bromine tend to be lower than those to chlorine but higher than those to iodine, and bromine is a weaker oxidising agent than chlorine but a stronger one than iodine. This can be seen from the standard electrode potentials of the X 2 /X − couples (F, +2.866 V; Cl, +1.395 V; Br, +1.087 V; I, +0.615 V; At, approximately +0.3 V ...
[1] [2] A free radical, this compound is the simplest of many bromine oxides. The compound is capable of influencing atmospheric chemical processes. [3] Naturally, BrO can be found in volcanic plumes. [4] [5] BrO is similar to the oxygen monofluoride, chlorine monoxide and iodine monoxide radicals.
At the Silver Lake and Elysian reservoirs a combination of bromide from well water, chlorine, and sunlight had formed bromate. The decontamination took 4 months, discharging over 600 million US gallons (2.3 × 10 ^ 6 m 3) of contaminated water. [5]
A redox reaction of hypobromous acid (HBrO) can form bromous acid (HBrO 2) as its product: [citation needed] HBrO + H 2 O − 2e − → HBrO 2 + 2H + The disproportionation reaction of two equivalents hypobromous acid (HBrO) results in the formation of both bromous acid (HBrO 2) and hydrobromic acid (HBr): [citation needed] 2 HBrO → HBrO 2 + HBr