K 3 [ Cr ( O H ) 6 ] + 3 S O 2 → 3 K H S O 3 + Cr ( O H ) 3
Reactants:
K 3 [ Cr ( O H ) 6 ] S O 2 – Sulfur dioxide Other names: Sulfurous anhydride , Sulphur dioxide , Sulfurous acid anhydride ... show more Sulfurous oxide , Sulfur oxide , Sulphur dioxide , sulfur dioxide , SO2 , R-764 show less Appearance: Colorless gas ; Colourless gas or compressed liquefied gas with pungent odour ; Colorless gas with a characteristic, irritating, pungent odor. [Note: A liquid below 14°F. Shipped as a liquefied compressed gas.] Products:
K H S O 3 – Potassium hydrogen sulfite Other names: Potassium bisulfite , Potassium bisulphite solution , Sulfurous acid ... show more Monopotassium salt , Monopotassium sulfite show less Appearance: White crystalline powder 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