What is the color of Iron II chloride?


Quick Answer

The color of iron(II) chloride ranges from white to pale green. The green hue of this compound is due the presence of the iron ion that has a light green color in the +2 oxidation state, also known as the ferrous ion.

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Full Answer

Iron(II) chloride is a compound with the formula FeCl2 that appears in the form of rhombohedral, or hexagonal, crystals that quickly absorb water. In the +2 oxidation state, iron also forms pale yellow solids such as the ferrocyanide ion.

Iron also appears in a +3 oxidation state, in which the ion is called ferric. The ferric ion has a violet color in its hydrated form, but colors solutions in hues ranging from yellow to brown.

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