2 NaI (aq) + Cl2 (g) 2 NaCl (aq) + I2 (s)

This is an oxidation-reduction (redox) reaction:

2 I-I - 2 e- 2 I0 (oxidation)

2 Cl0 + 2 e- 2 Cl-I (reduction)

NaI is a reducing agent, Cl2 is an oxidizing agent.

Reactants:

  • NaI
    • Names: Sodium iodide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02, Sodium iodide (anhydrous) source: ICSC, accessed on: 2019-09-04, NaI source: wikidata, accessed on: 2019-09-02, Sodium monoiodide source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04
    • Appearance: White solid | deliquescent source: wikipedia, accessed on: 2019-09-27; Colourless-to-white hygroscopic crystals or white powder. turns brown on exposure to air source: ICSC, accessed on: 2019-09-04
  • 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
  • I2
    • Names: Iodine source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02, Jod source: ICSC, accessed on: 2019-09-04, Iode source: ICSC, accessed on: 2019-09-04
    • Appearance: Bluish black or dark purple crystals with pungent odour source: ICSC, accessed on: 2019-09-04; Violet solid with a sharp, characteristic odor. source: NIOSH NPG, accessed on: 2019-09-02