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Another Deep Blue Compound

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Published: 23 Apr 2018 › Updated: 23 Apr 2018Another Deep Blue Compound

Another Deep Blue Compound

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Here is another deep blue complex salt solution. The IUPAC name of this salt is potassium tetrathiocyanatocobaltate(II). I've made this complex from cobalt (II) nitrate and potassium thiocyanate solutions. The cobalt (II) nitrate solution is pink.

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It becomes blue when potassium thiocyanate solution and some acetone are added.

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