Chromium(III) chloride
(Redirected from Chromic chloride)
Chromium(III) chloride (also known as chromic chloride) is an inorganic compound with the formula CrCl3. It is a high melting white solid used mainly for electroplating chromium onto other metals.
Properties[edit | edit source]
Chromium(III) chloride is a hygroscopic compound, meaning it readily absorbs moisture from the air. It is also deliquescent, meaning it can dissolve in the moisture it absorbs. When dissolved in water, chromium(III) chloride forms a green solution.
Structure[edit | edit source]
Chromium(III) chloride crystallizes with a cubic structure. This structure is similar to that of sodium chloride, with each chromium(III) ion surrounded by six chloride ions, and each chloride ion surrounded by six chromium(III) ions.
Preparation[edit | edit source]
Chromium(III) chloride can be prepared by direct combination of chromium and chlorine at high temperatures, or by reduction of chromium(VI) chloride with hydrogen.
Uses[edit | edit source]
Chromium(III) chloride is used in the electroplating industry for the production of protective coatings on other metals. It is also used as a catalyst in various chemical reactions.
Safety[edit | edit source]
Chromium(III) chloride is considered to be of low toxicity. However, it can cause irritation to the eyes, skin, and respiratory tract. It is also harmful if swallowed.
See also[edit | edit source]
Chromium(III) chloride[edit | edit source]
Chromium(III) chloride in sunlight
Chromium(III) chloride
Chromium(III) chloride sheet from monoclinic crystal with SF overlay
Chromium(III) chloride sheet from monoclinic crystal
Chromium(III) chloride layers stacking from monoclinic crystal
Dibenzenechromium with CrCl3
CrCl3 and CrCl2
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-chloride-sheet-from-monoclinic-xtal-3D-balls-SF-overlay.png)
-chloride-sheet-from-monoclinic-xtal-3D-balls.png)
-chloride-layers-stacking-from-monoclinic-xtal-3D-balls.png)
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