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氢氧化镍

氢氧化镍
识别
CAS号 12054-48-7  checkY
36897-37-7((monohydrate))  ☒N

36897-37-7 (一水合物)
PubChem 61534
ChemSpider 55452
SMILES
 
  • [Ni+2].[OH-].[OH-]
InChI
 
  • 1/Ni.2H2O/h;2*1H2/q+2;;/p-2
InChIKey BFDHFSHZJLFAMC-NUQVWONBAJ
RTECS QR6480000
性质
化学式 Ni(OH)2
摩尔质量 无水:92.708 g·mol-1 (无水)
一水合物:110.72 g·mol⁻¹
外观 绿色晶体
密度 4.10 g/cm3
熔点 230 °C (无水,分解)
溶解性 13 mg/100 mL
溶解性 溶于稀酸、氨水
结构
晶体结构 六方晶系
热力学
ΔfHm298K -530.049 kJ/mol
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。
中间的试管中含有大量的氢氧化镍沉淀

氢氧化镍(Ni(OH)2)是一种不溶于水的氢氧化物,是綠色沉澱,常用于蓄电池的电极。电池使用过程成它被氧化成氢氧化氧镍。在六水合镍离子的溶液中加强碱得到氢氧化镍沉淀。它的矿物是很罕见的,被称为氢氧镍石。

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氢氧化镍
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