2 KI (aq) + F2 (g) → I2 (s) + 2 KF (aq)

This is an oxidation-reduction (redox) reaction:

2 F0 + 2 e- → 2 F-I (reduction)

2 I-I - 2 e- → 2 I0 (oxidation)

F2 is an oxidizing agent, KI is a reducing agent.

Reactants:

  • KI
    • Names: Potassium iodide source: wikidata, accessed: 2019-09-02, KI source: wikidata, accessed: 2019-09-02, Thyrosafe source: wikidata, accessed: 2019-09-02
  • F2
    • Names: Fluorine source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Fluorine-19 source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: Yellow compressed gas with pungent odour source: ICSC, accessed: 2019-09-04; Pale-yellow to greenish gas with a pungent, irritating odor. source: NIOSH NPG, accessed: 2019-09-02

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
  • KF – Potassium fluoride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Appearance: Colourless source: wikipedia, accessed: 2019-09-27