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硫酸亚汞

硫酸亚汞
IUPAC名
Mercury(I) sulfate
别名 硫酸汞(I)
识别
CAS号 7783-36-0  checkY
PubChem 24545
EINECS 231-993-0
性质
化学式 Hg2SO4
摩尔质量 497.24 g/mol g·mol⁻¹
外观 白色固体[1]
密度 7.56 g/cm3
溶解性 0.051 g/100 mL (25 °C)
0.09 g/100 mL (100 °C)
溶解性 可溶于稀硝酸和热的硫酸
难溶于水
结构
配位几何 monoclinic
热力学
ΔfHm298K -743.1 kJ·mol−1
S298K 200.7 J·mol−1·K−1
热容 132 J·mol−1·K−1[2]
相关物质
其他阴离子 氟化亚汞
氯化亚汞
溴化亚汞
碘化亚汞
其他阳离子 硫酸锌
硫酸镉
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

硫酸亚汞是一种无机化合物,化学式为Hg2SO4

制备

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硫酸亚汞可以由Hg2(NO3)2溶液和硫酸反应得到,或者由SO2或Hg还原硫酸汞制备。[1]

化学性质

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硫酸亚汞受热分解:[1]

Hg2SO4 → 2 Hg + O2↑ + SO2

硫酸亚汞中的Hg(I)可以被一些氧化剂氧化为Hg(II),如:

Hg2SO4 + Cl2 → HgCl2 + HgSO4

参考资料

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  1. ^ 1.0 1.1 1.2 钟兴厚 等. 无机化学丛书 第六卷 卤素 铜分族 锌分族. 科学出版社, 2012.3. pp 618 4.11.8 第VI族含氧酸盐
  2. ^ Lide, David R., Handbook of Chemistry and Physics 87, Boca Raton, FL: CRC Press: 5–19, 1998, ISBN 0-8493-0594-2 
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硫酸亚汞
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