NaIO + 2 NaClO + H2SO4 NaIO3 + Na2SO4 + 2 HCl

This is an oxidation-reduction (redox) reaction:

II - 4 e- IV (oxidation)

2 ClI + 4 e- 2 Cl-I (reduction)

NaIO is a reducing agent, NaClO is an oxidizing agent.

Reactants:

  • NaIO
  • NaClOSodium hypochlorite source: wikipedia, accessed: 2019-09-28
    • Other names: A source: wikipedia, accessed: 2019-09-28, Ntiformin|Bleach|Chloride of soda}}'In dilution:'C source: wikipedia, accessed: 2019-09-28, Arrel-Dakin solution|Modified Dakin's solution|Surgical chlorinated soda solution}} source: wikipedia, accessed: 2019-09-28
    • Appearance: Greenish-yellow solid (pentahydrate) source: wikipedia, accessed: 2019-09-28; Clear slightly yellow solution with characteristic odour source: ICSC, accessed: 2019-09-04; Clear slightly yellow solution with characteristic odour source: ICSC, accessed: 2019-09-04
  • H2SO4Sulfuric 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:

  • NaIO3
    • Names: Sodium iodate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Iodic acid source: wikipedia, accessed: 2019-09-27, Sodium salt source: wikipedia, accessed: 2019-09-27
    • Appearance: White orthorhombic crystals source: wikipedia, accessed: 2019-09-27
  • Na2SO4
    • Names: Sodium sulfate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Sodium sulphate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Sulfate of sodium source: wikipedia, accessed: 2019-09-27
    • Appearance: White crystalline solid | hygroscopic source: wikipedia, accessed: 2019-09-27; White hygroscopic solid in various forms source: ICSC, accessed: 2019-09-04
  • HClChlorane source: wikipedia, accessed: 2019-09-27, Hydrogen chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Hydrochloric acid source: wikipedia, accessed: 2019-09-27source: NIOSH NPG, accessed: 2019-09-02, M source: wikipedia, accessed: 2019-09-27, Uriatic acid source: wikipedia, accessed: 2019-09-27
    • Appearance: Colorless, transparent liquid, fumes in air if concentrated source: wikipedia, accessed: 2019-09-27; Colorless gas source: wikipedia, accessed: 2019-09-27; Colourless compressed liquefied gas with pungent odour source: ICSC, accessed: 2019-09-04; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.] source: NIOSH NPG, accessed: 2019-09-02