K Cr ( S O 4 ) 2 + 3 K O H → Cr ( O H ) 3 + 2 K 2 S O 4
Reactants:
K Cr ( S O 4 ) 2 – Chromium potassium sulfate Other names: Potassium chromium sulfate , Chromium alum , Chrome alum Appearance: Dark purple needles or greyish-brown powder when anhydrous K O H – Potassium hydroxide Other names: Caustic potash , Lye , Potash lye ... show more Potassia , Potassium hydrate , KOH , E525 , Potassium lye , Lye [Potassium hydroxide] show less Appearance: White solid, deliquescent ; White hygroscopic solid in various forms ; Odorless, white or slightly yellow lumps, rods, flakes, sticks, or pellets. [Note: May be used as an aqueous solution.] Products:
Cr ( O H ) 3 – Chromium(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 K 2 S O 4 Names: Potassium sulfate , Potassium sulphate , Dipotassium sulfate ... show more Kaliumsulfat , K2SO4 , Sulfuric acid dipotassium salt show less Appearance: White solid ; Colourless-to-white crystals