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亚溴酸

亚溴酸
Space-filling model of the bromous acid molecule
Ball and stick model of the bromous acid molecule
IUPAC名
hydroxy-λ3-bromanone
hydroxidooxidobromine
bromous acid
识别
CAS号 37691-27-3  checkY
PubChem 165616
ChemSpider 145144
SMILES
 
  • OBr=O
InChI
 
  • 1/BrHO2/c2-1-3/h(H,2,3)
InChIKey DKSMCEUSSQTGBK-UHFFFAOYAC
ChEBI 29247
性质
化学式 HBrO2
摩尔质量 112.911 g·mol⁻¹
相关物质
其他阴离子 氢溴酸次溴酸溴酸高溴酸
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

亚溴酸的一种含氧酸,见于反应的中间体。化学式为HBrO2,其中,溴的氧化态为+3。它是一种不稳定的化合物,尽管对应的盐—亚溴酸盐已被分离。 在酸性条件下,亚溴酸盐会分解成溴。[1]

反应

[编辑]

通过次溴酸次氯酸阳极氧化反应:

HBrO + HClO → HBrO2 + HCl

通过次溴酸的歧化反应

2 HBrO → HBrO2 + HBr

通过溴酸氢溴酸的反应合成:

2 HBrO3 + HBr → 3 HBrO2

用途

[编辑]

可用于把高锰酸盐还原为锰酸盐[1]

2MnO
4
+ BrO
2
+ OH → 2MnO2−
4
+ BrO
3
+ H2O

参考资料

[编辑]
  1. ^ 1.0 1.1 Wiberg, Egon. Inorganic chemistry. San Diego Berlin New York: Academic Press De Gruyter. 2001. ISBN 0-12-352651-5. OCLC 48056955. 
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亚溴酸
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