Chromium(II) chloride

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

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At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

Chromium(II) chloride describes inorganic compounds with the formula CrCl2(H2O)n. The anhydrous solid is white when pure, however commercial samples are often grey or green; it is hygroscopic and readily dissolves in water to give bright blue air-sensitive solutions of the tetrahydrate Cr(H2O)4Cl2.

Excerpt from the Wikipedia article “Chromium(II) chloride”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Егор Осин, CC BY-SA 3.0, via Wikimedia Commons.