Chemical elements
    Physical Properties
    Chemical Properties
      Palladous Fluoride
      Palladous Chloride
      Dichlor-palladous Acid
      Palladium Trichloride
      Palladous Bromide
      Palladous Iodide
      Palladous Oxide
      Hydrated Palladium Sesquioxide
      Hydrated Palladium Dioxide
      Palladium Subsulphide
      Palladium Monosulphide
      Potassium Thio-palladite
      Palladium Disulphide
      Sodium Thio-palladate
      Palladous Sulphate
      Palladous Selenide
      Palladous Selenate
      Palladous Nitrate
      Palladium Cyanide
      Potassium Palladocyanide
      Palladium Monosilicide
    Catalytic Activity
    PDB 1ks4-3np2

Pentachlor-palladates, M2PdCl6

When the sesquioxide, Pd2O3.xH2O, is suspended in ether in the presence of rubidium chloride at the temperature of ether and solid carbon dioxide, small greyish green crystals of the double salt, Rubidium Pentachlor-palladate, 2RbCl.PdCl3 or Rb2PdCl5, are obtained. Caesium yields an analogous salt, Cs2PdCl5, in the form of dark green crystals.

Both salts decompose in contact with water, the corresponding tetrachlor-palladites, Rb2PdCl4 and Cs2PdCl4 respectively, being obtained.

Potassium chloride, in similar circumstances, does not yield a pentachlor-palladate, but only the tetrachlor-palladite, K2PdCl4, and the double salt, PdCl2.4KCl.

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