3 Ba(ClO3)2 + 6 H2SO4 → 3 Ba(HSO4)2 + 2 HClO4 + 4 ClO2 + 2 H2O

This is an oxidation-reduction (redox) reaction:

2 ClV - 4 e- → 2 ClVII (oxidation)

4 ClV + 4 e- → 4 ClIV (reduction)

Ba(ClO3)2 is both an oxidizing and a reducing agent (disproportionation (dismutation)).

Reactants:

  • Ba(ClO3)2 – Barium dichlorate source: wikipedia, accessed: 2019-09-27
    • Other names: Barium chlorate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Chloric acid source: wikipedia, accessed: 2019-09-27, Barium salt source: wikipedia, accessed: 2019-09-27, Chloric acid, barium salt source: ICSC, accessed: 2019-09-04
    • Appearance: White solid source: wikipedia, accessed: 2019-09-27; Colourless crystalline powder source: ICSC, accessed: 2019-09-04
  • H2SO4 – Sulfuric acid source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-07source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Oil of vitriol source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Sulfuric acid, concentrated (> 51% and < 100%) source: ICSC, accessed: 2019-09-04, H2SO4 source: wikidata, accessed: 2019-09-07
    • Appearance: Clear, colorless liquid source: wikipedia, accessed: 2019-09-27; Odourless colourless oily hygroscopic liquid source: ICSC, accessed: 2019-09-04; Colorless to dark-brown, oily, odorless liquid. [Note: Pure compound is a solid below 51°F. Often used in an aqueous solution.] source: NIOSH NPG, accessed: 2019-09-02

Products:

  • Ba(HSO4)2
  • HClO4 – Chloric(VII) acid source: wikipedia, accessed: 2019-09-27
    • Other names: Perchloric acid source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Hyperchloric acid source: wikipedia, accessed: 2019-09-27, Perchloric acid (72% solution) source: ICSC, accessed: 2019-09-04, Hydronium perchlorate source: ICSC, accessed: 2019-09-04
    • Appearance: Colorless liquid source: wikipedia, accessed: 2019-09-27; Colourless liquid with pungent odour source: ICSC, accessed: 2019-09-04
  • ClO2 – Chlorine dioxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, 4-chlorane (substitutive) OR Dioxidochlorine(•) (additive) --> source: wikipedia, accessed: 2019-09-27
    • Other names: Chlorine(IV) oxide source: wikipedia, accessed: 2019-09-27, Chlorine oxide source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Chlorine peroxide source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: Yellow to reddish gas source: wikipedia, accessed: 2019-09-27; Red-yellow gas with pungent odour source: ICSC, accessed: 2019-09-04; Yellow to red gas or a red-brown liquid (below 52°F) with an unpleasant odor similar to chlorine and nitric acid. source: NIOSH NPG, accessed: 2019-09-02
  • H2O – Water, 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