Palladium(I), (II), and (IV) salts are known, with the (II) salt being the most important. [Palladium(II) chloride] The chemical formula is PdCl 2 . Anhydrous and dihydrate forms are known. The anhydrous form is a red to orange-red, hygroscopic crystal. Its melting point is 500°C. It dissolves well in aqueous solutions of hydrochloric acid and alkali metal chlorides to produce the tetrachloropalladate(II) ion [PdCl 4 ] 2- . It is used as a starting material for the creation of various complexes. The structure of the anhydrous form is an infinite planar chain, as shown in the figure. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
パラジウム(I),(II),(IV)塩が知られているが,(II)塩が最も重要。 [塩化パラジウム(II)] 化学式PdCl2。無水和物と2水和物が知られている。無水和物は赤~橙赤色,吸湿性の結晶。融点500℃。塩酸やアルカリ金属塩化物の水溶液によく溶け,テトラクロロパラジウム(II)酸イオン[PdCl4]2-を生成する。種々の錯体をつくる出発物質となる。無水和物の構造は図に示すような無限に連なった平面鎖状をしている。 出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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