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单词 Potassium selenocyanate
释义

Potassium selenocyanate

中文百科

硒氰酸钾

硒氰酸钾是一种无机化合物,化学式为KSeCN,是一种无色的、极易潮解的针状晶体。

硒和纯的氰化钾共熔,可以得到硒氰酸钾,在热水或乙醇中反应亦可:

Se + KCN → KSeCN

但是,硒氰酸根离子和醇反应会产生有恶臭的烷基硒氰酸酯,在乙醇中的反应也是不受人喜欢的。

硒和亚铁氰酸钾反应也能得到硒氰酸钾:

K4[Fe(CN)6] + 4 Se —→ 4 KSeCN + FeC2 + N2
英语百科

Potassium selenocyanate 硒氰酸钾

Potassium selenocyanate is the inorganic compound with the formula KSeCN. It is a hygroscopic white solid that is soluble in water, decomposing in air to red selenium and potassium cyanide. The compound has been characterized by X-ray crystallography, which confirms that it is a salt. The C-N and C-Se distances are 1.12 and 1.83, respectively, consistent with triple and single bonds.

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更新时间:2025/6/19 1:01:30