2 NaCrO₂ + 2 NaOH + 3 NaClO → 2 Na₂CrO₄ + 3 NaCl + H₂O

This is an oxidation-reduction (redox) reaction:

NaClO is an oxidizing agent, NaCrO₂ is a reducing agent.

Reactants:

• NaCrO₂
• NaOH
  • Names: Sodium hydroxide , Caustic soda , Lye ... show moreSoda lye , Sodium hydrate , NaOH , White caustic , Lye [Sodium hydroxide] show less
  • Appearance: White, waxy, opaque crystals ; White hygroscopic solid in various forms ; Colorless to white, odorless solid (flakes, beads, granular form).
• NaClO – Sodium hypochlorite
  • Other names: A , Ntiformin|Bleach|Chloride of soda}}'In dilution:'C , Arrel-Dakin solution|Modified Dakin's solution|Surgical chlorinated soda solution}} ... show moreSodium hypochlorite (solution, active chlorine <10%) , Sodium hypochlorite (solution, active chlorine >10%) , Sodium oxychloride , Sodium chloride oxide show less
  • Appearance: Greenish-yellow solid (pentahydrate) ; Clear slightly yellow solution with characteristic odour ; Clear slightly yellow solution with characteristic odour

Products:

• Na₂CrO₄ – Sodium chromate
  • Other names: Chromic acid , (Na2CrO4) , Disodium salt ... show moreChromium disodium oxide , Rachromate , H2CrO4 , Chromic acid, disodium salt , Disodium chromate , Chromiumsodium oxide , Sodium chromate(VI) , Disodium chromate (VI) , Disodium chromium tetraoxide show less
  • Appearance: Yellow crystals ; Yellow hygroscopic crystals
• NaCl – Sodium chloride
  • Other names: {{unbulleted list , Salt , Table salt ... show moreCommon salt , NaCl , Broncho saline show less
  • Appearance: Colorless cubic crystals
• H₂O – Water, oxidane
  • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide ... show moreDihydrogen monoxide (DHMO) (systematic name) , Hydrogen monoxide , Dihydrogen oxide , Hydric acid , Hydrohydroxic acid , Hydroxic acid , Hydrol , Μ-oxido dihydrogen , Κ1-hydroxyl hydrogen(0) show less
  • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas