NO2- + I2 + H2O 2 (I)- + NO3- + 2 H+

This is an oxidation-reduction (redox) reaction:

2 I0 + 2 e- 2 I-I (reduction)

NIII - 2 e- NV (oxidation)

I2 is an oxidizing agent, NO2- is a reducing agent.

Reactants:

  • NO2-Dioxidonitrate(1−) source: wikipedia, accessed: 2019-09-27
    • Other names: Nitrite source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-07, Nitrite ion source: wikidata, accessed: 2019-09-07, NO2(-) source: wikidata, accessed: 2019-09-07
  • 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
  • H2OWater, oxidane source: wikipedia, accessed: 2019-09-27
    • Other names: Water (H2O) source: wikipedia, accessed: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed: 2019-09-27, Hydrogen oxide source: wikipedia, accessed: 2019-09-27
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed: 2019-09-27

Products:

  • I-
  • NO3-Nitrate source: wikipedia, accessed: 2019-09-27
    • Other names: Nitrate ion source: wikidata, accessed: 2019-09-07, NO3(-) source: wikidata, accessed: 2019-09-07, [NO3](-) source: wikidata, accessed: 2019-09-07
  • H+