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氰化镍

氰化镍
IUPAC名
氰化镍(II)
识别
CAS号 557-19-7(无水)  checkY
13477-95-7(四水)  checkY
性质
化学式 Ni(CN)2
摩尔质量 110.729 g·mol⁻¹
外观 棕黄色固体(无水)
灰蓝色固体(水合)[1]
相关物质
其他阳离子 氰化亚铁
氰化钴
相关化学品 镍氰酸钾
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

氰化镍是一种无机化合物,化学式为Ni(CN)2

制备

[编辑]

氰化钾与镍(II)盐在水溶液中反应,沉淀出氰化镍水合物,将水合物加热至140℃,得到无水物。[1]

化学性质

[编辑]
Ni(CN)2溶于KCN产生的K2[Ni(CN)4]溶液

氰化镍溶于氰化钾溶液,得到杏黄色溶液:

Ni(CN)2 + 2 KCN → K2[Ni(CN)4]

氰化镍和丁二酮肟反应,产生氰化氢[2]

Ni(CN)2 + 2 C4H8O2N2 → Ni(C4H7O2N2) + 2 HCN

参考资料

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  1. ^ 1.0 1.1 《无机化学丛书》.第九卷 锰分族 铁系 铂系. 科学出版社. P286. 氰化镍(II)
  2. ^ 《无机化学反应方程式手册》.曹忠良 王珍云 编.湖南科学技术出版社.第十三章 铁系元素. P379. 【其他含镍的化合物】
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氰化镍
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