Ca(OH)2 + HF → CaF + H(OH)2

This is an acid-base reaction (neutralization): Ca(OH)2 is a base, HF is an acid.

This is an oxidation-reduction (redox) reaction:

CaII + e- → CaI (reduction)

2 O-II - 1 e- → 2 O-3/2 (oxidation)

Ca(OH)2 is an oxidizing agent, Ca(OH)2 is a reducing agent.

Reactants:

  • Ca(OH)2 – Calcium hydroxide source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Slaked lime source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Calcium hydrate source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Caustic lime source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: White powder source: wikipedia, accessed: 2019-09-28; Colourless crystals or white powder source: ICSC, accessed: 2019-09-04; White, odorless powder. [Note: Readily absorbs CO2 from the air to form calcium carbonate.] source: NIOSH NPG, accessed: 2019-09-02
  • HF – Fluorane source: wikipedia, accessed: 2019-09-27source: wikipedia, accessed: 2019-09-27
    • Other names: Hydrogen fluoride source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Hydrofluoric acid source: wikipedia, accessed: 2019-09-27source: NIOSH NPG, accessed: 2019-09-02, Fluorhydric acid source: wikipedia, accessed: 2019-09-27
    • Appearance: Colourless gas or colourless liquid (below 19.5 °C) source: wikipedia, accessed: 2019-09-27; Colorless solution source: wikipedia, accessed: 2019-09-27; Colourless gas or colourless fuming liquid with pungent odour source: ICSC, accessed: 2019-09-04; Colourless fuming liquid with pungent odour source: ICSC, accessed: 2019-09-04; Colorless gas or fuming liquid (below 67°F) with a strong, irritating odor. [Note: Shipped in cylinders.] source: NIOSH NPG, accessed: 2019-09-02

Products:

  • CaF
  • H(OH)2