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Cobalt(II) sulfate is used in storage batteries and electroplating baths, sympathetic inks, and as an additive to soils and animal feeds. For these purposes, the cobalt sulfate is produced by treating cobalt oxide with sulfuric acid. [1] Being commonly available commercially, the heptahydrate is a routine source of cobalt in coordination ...
Hexaamminecobalt(III) chloride is the chemical compound with the formula [Co(NH 3) 6]Cl 3.It is the chloride salt of the coordination complex [Co(NH 3) 6] 3+, which is considered an archetypal "Werner complex", named after the pioneer of coordination chemistry, Alfred Werner.
Cobalt(II) chloride is an inorganic compound, a salt of cobalt and chlorine, with the formula CoCl 2.The compound forms several hydrates CoCl 2 ·n H 2 O, for n = 1, 2, 6, and 9. . Claims of the formation of tri- and tetrahydrates have not been confirmed
Magenta coloured CoCl 2 ·6H 2 O. Many halides of cobalt(II) are known.e cobalt(II) fluoride (CoF 2) which is a pink solid, cobalt(II) chloride (CoCl 2) which is a blue solid, cobalt(II) bromide (CoBr 2) which is a green solid, and cobalt(II) iodide (CoI 2) which is a blue-black solid.
As well as the anhydrous compound Co(NO 3) 2, several hydrates of cobalt(II) nitrate exist. These hydrates have the chemical formula Co(NO 3) 2 ·nH 2 O, where n = 0, 2, 4, 6. ...
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A colorful example is cobalt(II) chloride, which turns from blue to red upon hydration, and can therefore be used as a water indicator.. The notation "hydrated compound⋅n H 2 O", where n is the number of water molecules per formula unit of the salt, is commonly used to show that a salt is hydrated.
Cobalt(II) hydroxide or cobaltous hydroxide is the inorganic compound with the formula Co(OH) 2, consisting of divalent cobalt cations Co 2+ and hydroxide anions OH −. The pure compound, often called the "beta form" (β-Co(OH) 2) is a pink solid insoluble in water. [2] [3]
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