Chemical elements
    Physical Properties
    Chemical Properties
      Germanium Hydride
      Germanium Tetra-ethyl
      Germanium Chloroform
      Germanous Fluoride
      Germanic Fluoride
      Hydrofluogermanic Acid
      Potassium Germanifluoride
      Germanous Chloride
      Germanic Chloride
      Germanium Oxychloride
      Germanic Bromide
      Germanic Iodide
      Germanous Oxide
      Germanous Hydroxide
      Germanic Oxide
      Germanous Sulphide
      Germanic Sulphide
      Germanium Ultramarine

Germanic Chloride, GeCl4

Germanic Chloride, GeCl4, may be prepared by the union of the elements, excess of chlorine being removed by shaking the product with mercury; or by distilling the metal or the disulphide with mercuric chloride. It is a thin, colourless liquid, having a density of 1.887 at 18° C., and boiling at 86° C.; its critical temperature is 276.9° C. and critical pressure 38 atmospheres; it does not solidify at -80° C.; its vapour density at 301.5° C. was found to be 7.43 and 7.46 (air = 1) or 107.0 and 107.4 (H = 1), theory for GeCl4 requiring 7.40 (air = 1) or 106.6 (H = 1); it is slowly decomposed by water with separation of the hydrated dioxide, and is reduced to metal when its vapour, mixed with hydrogen, is passed through a red-hot tube.

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