File:Coloured-transition-metal-solutions.jpg
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Summary
From left to right, aqueous solutions of: cobalt(II) nitrate, Co(NO3)2 (red); potassium dichromate, K2Cr2O7 (orange); potassium chromate, K2CrO4 (yellow); nickel(II) chloride, NiCl2 (green); copper(II) sulfate, CuSO4 (blue); potassium permanganate, KMnO4 (violet).
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:45, 7 January 2017 | | 1,100 × 404 (246 KB) | 127.0.0.1 (talk) | From left to right, aqueous solutions of: cobalt(II) nitrate, Co(NO<sub>3</sub>)<sub>2</sub> (red); potassium dichromate, K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub> (orange); potassium chromate, K<sub>2</sub>CrO<sub>4</sub> (yellow); nickel(II) chloride, NiCl<sub>2</sub> (green); copper(II) sulfate, CuSO<sub>4</sub> (blue); potassium permanganate, KMnO<sub>4</sub> (violet). |
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