Chromiumioncolor

2023年8月29日 — Similar to aluminum, but exhibits several oxidation states. Aqueous Ammonia. Ammonia reacts with chromium(III) ion to precipitate gray-green ...

2023年6月30日 — The hexaaquachromium(III) ion is a difficult to describe violet-blue-grey color. However, when it is produced during a reaction in a test tube ...

2018年4月17日 — Cr(OH)3 is a grey/green precipitate. [Cr(OH)6] is dark green solution. As Ivan said, it depends on the ligands etc.

If the corundum is lacking in chromium(III) ions, it is known as a sapphire. A red-colored artificial ruby may also be achieved by doping chromium(III) ...

The chromium ion, Cr3+, forms a complex ion with water, [Cr(H2O)6]3+. This complex ion appears green in solution. These colors are due to the specific ...

由 A Lennartson 著作 · 2014 · 被引用 51 次 — If chromium(III) oxide (also known as chrome green) is heated with potassium carbonate and potassium nitrate, the mixture slowly turns yellow.

2021年2月9日 — So we get hydrous chromium(III) chloride (usually hexahydrate, like (CrCl3⋅6H2O). This crystal produce dark green color.

2020年1月9日 — Cr2+ ions gives blue color on flame test. Cr3+ ions gives green color on flame test. Cr6+ ions gives yellow color on flame test.