2 NaI → I2 + 2 Na

This is an oxidation-reduction (redox) reaction:

2 NaI + 2 e- → 2 Na0 (reduction)

2 I-I - 2 e- → 2 I0 (oxidation)

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

Reactants:

  • NaI
    • Names: Sodium iodide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Sodium iodide (anhydrous) source: ICSC, accessed: 2019-09-04, NaI source: wikidata, accessed: 2019-09-02, Sodium monoiodide source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Appearance: White solid | deliquescent source: wikipedia, accessed: 2019-09-27; Colourless-to-white hygroscopic crystals or white powder. turns brown on exposure to air source: ICSC, accessed: 2019-09-04

Products:

  • I2
    • Names: Iodine source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Jod source: ICSC, accessed: 2019-09-04, Iode source: ICSC, accessed: 2019-09-04
    • Appearance: Bluish black or dark purple crystals with pungent odour source: ICSC, accessed: 2019-09-04; Violet solid with a sharp, characteristic odor. source: NIOSH NPG, accessed: 2019-09-02
  • Na
    • Names: Sodium source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04, Na source: wikidata, accessed: 2019-09-07, Element 11 source: wikidata, accessed: 2019-09-07, Natrium source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04
    • Appearance: Silvery solid in various forms source: ICSC, accessed: 2019-09-04