4 Zn (s) + 5 H2SO4 (aq) 4 ZnSO4 (aq) + H2S (g) + 4 H2O (l)

This is an oxidation-reduction (redox) reaction:

SVI + 8 e- S-II (reduction)

4 Zn0 - 8 e- 4 ZnII (oxidation)

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

Reactants:

  • Zn
    • Names: Zinc source: wikidata, accessed on: 2019-09-07, Zinc powder (pyrophoric) source: ICSC, accessed on: 2019-09-04, Zn source: wikidata, accessed on: 2019-09-07
    • Appearance: Grey-to-blue powder source: ICSC, accessed on: 2019-09-04
  • H2SO4Sulfuric acid source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-07source: NIOSH NPG, accessed on: 2019-09-02
    • Other names: Oil of vitriol source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-07source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02, Sulfuric acid, concentrated (> 51% and < 100%) source: ICSC, accessed on: 2019-09-04, H2SO4 source: wikidata, accessed on: 2019-09-07
    • Appearance: Clear, colorless liquid source: wikipedia, accessed on: 2019-09-27; Odourless colourless oily hygroscopic liquid source: ICSC, accessed on: 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 on: 2019-09-02

Products:

  • ZnSO4Zinc sulfate source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04
    • Other names: White vitriol source: wikipedia, accessed on: 2019-09-27, Goslarite source: wikipedia, accessed on: 2019-09-27, Zinc sulfate (1:1) source: wikidata, accessed on: 2019-09-02
    • Appearance: White powder source: wikipedia, accessed on: 2019-09-27; Colourless hygroscopic crystals source: ICSC, accessed on: 2019-09-04
  • H2SHydrogen sulfide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02
    • Other names: Dihydrogen monosulfide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02, Dihydrogen sulfide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02, Sewer gas source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: NIOSH NPG, accessed on: 2019-09-02
    • Appearance: Colorless gas source: wikipedia, accessed on: 2019-09-27; Colourless compressed liquefied gas with characteristic odour of rotten eggs source: ICSC, accessed on: 2019-09-04; Colorless gas with a strong odor of rotten eggs. [Note: Sense of smell becomes rapidly fatigued & can NOT be relied upon to warn of the continuous presence of H2S. Shipped as a liquefied compressed gas.] source: NIOSH NPG, accessed on: 2019-09-02
  • H2OWater, oxidane source: wikipedia, accessed on: 2019-09-27
    • Other names: Water (H2O) source: wikipedia, accessed on: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed on: 2019-09-27, Hydrogen oxide source: wikipedia, accessed on: 2019-09-27
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed on: 2019-09-27