Cr(OH)3 + 3 HCl → CrCl3 + 3 H2O – Balanced equation

Or you want a quick look:

This is an acid-base reaction (neutralization): Cr(OH)3 is a base, HCl is an acid.


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  • Cr(OH)3Chromium(3+) hydroxide
    • Other names: Chromium(III) hydroxide , Chromium (iii) hydroxide hydrate , Cr(OH)3 , Chromic (III) hydroxide hydrate
    • Appearance: Green, gelatinous precipitate ; Blue-to-green powder or black particles
  • HClChlorane , Hydrogen chloride
    • Other names: Hydrochloric acid , M , Uriatic acid
    • Appearance: Colorless, transparent liquid, fumes in air if concentrated ; Colorless gas ; Colourless compressed liquefied gas with pungent odour ; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]


  • CrCl3Chromium(III) chloride , Chromium trichloride
    • Other names: Chromic chloride , Chromium(iii) chloride (anhydrous) , Chromium(3+) trichloride
    • Appearance: Purple (anhydrous), dark green (hexahydrate) ; Violet crystals
  • H2OWater, oxidane
    • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas
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