4 Ag + 3 H2SO4 → 2 Ag2SO4 + SO + 3 H2O

This is an oxidation-reduction (redox) reaction:

SVI + 4 e- → SII (reduction)

4 Ag0 - 4 e- → 4 AgI (oxidation)

H2SO4 is an oxidizing agent, Ag is a reducing agent.

Reactants:

  • Ag
    • Names: Silver source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04, Ag source: wikidata, accessed: 2019-09-07, Element 47 source: wikidata, accessed: 2019-09-07
    • Appearance: White metal. turns dark on exposure to ozone, hydrogen sulfide or sulfur 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:

  • Ag2SO4 – Silver sulfate source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02
    • Other names: Disilver sulfate source: wikipedia, accessed: 2019-09-28, Silver(I) sulfate source: wikidata, accessed: 2019-09-02, Silver sulphate source: wikidata, accessed: 2019-09-02, Silver(I) sulphate source: wikidata, accessed: 2019-09-02
    • Appearance: Colorless crystals source: wikipedia, accessed: 2019-09-28
  • SO – Sulfate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-07
    • Other names: Sulfate ion source: wikidata, accessed: 2019-09-07, Sulphate ion source: wikidata, accessed: 2019-09-07, Sulphate source: wikidata, accessed: 2019-09-07
  • 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