2 NaOH (aq) + Cl2 (g) NaCl (aq) + NaClO (l) + H2O (l)

This is an oxidation-reduction (redox) reaction:

Cl0 - 1 e- ClI (oxidation)

Cl0 + e- Cl-I (reduction)

Cl2 is both an oxidizing and a reducing agent (disproportionation).

Reactants:

  • NaOH
    • Names: Sodium hydroxide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02, Caustic soda source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02, Lye source: wikidata, accessed on: 2019-09-02
    • Appearance: White, waxy, opaque crystals source: wikipedia, accessed on: 2019-09-27; White hygroscopic solid in various forms source: ICSC, accessed on: 2019-09-04; Colorless to white, odorless solid (flakes, beads, granular form). source: NIOSH NPG, accessed on: 2019-09-02
  • Cl2
    • Names: Chlorine source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02, Molecular chlorine source: NIOSH NPG, accessed on: 2019-09-02
    • Appearance: Greenish-yellow compressed liquefied gas with pungent odour source: ICSC, accessed on: 2019-09-04; Greenish-yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.] source: NIOSH NPG, accessed on: 2019-09-02

Products:

  • NaClSodium chloride source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02
    • Other names: Salt source: wikidata, accessed on: 2019-09-02, Table salt source: wikidata, accessed on: 2019-09-02, Common salt source: wikidata, accessed on: 2019-09-02
    • Appearance: Colorless cubic crystals source: wikipedia, accessed on: 2019-09-27
  • NaClOSodium hypochlorite source: wikipedia, accessed on: 2019-09-28
    • Other names: Antiformin source: wikipedia, accessed on: 2019-09-28, Bleach source: wikipedia, accessed on: 2019-09-28, Chloride of soda source: wikipedia, accessed on: 2019-09-28
    • Appearance: Greenish-yellow solid (pentahydrate) source: wikipedia, accessed on: 2019-09-28; Clear slightly yellow solution with characteristic odour source: ICSC, accessed on: 2019-09-04; Clear slightly yellow solution with characteristic odour source: ICSC, accessed on: 2019-09-04
  • H2OWater, oxidane source: wikipedia, accessed on: 2019-09-27
    • Other names: Water (H2O) source: wikipedia, accessed on: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed on: 2019-09-27, Hydrogen oxide source: wikipedia, accessed on: 2019-09-27
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed on: 2019-09-27