Hydrogen Sulfate - HSO<sub>4</sub><sup>-</sup>

What is Hydrogen sulfate?

Hydrogen Sulfate is an anion with the chemical formula HSO4. It forms sulfuric acid when exposed to water. HSO4 very small hydrogen sulfate ion. Sodium Bisulfate which is the pure substance NaHS04 melts at 185°C and begins to lose water with a good deal of spattering. It consists of sulfur atom in the center surrounded by four oxygen atoms form a tetrahedral arrangement. The structure is similar to the structure of methane.

Other name – Bisulfate

HSO4

Hydrogen Sulfate

Density

1 826.7 kg/m³

Molecular Weight/ Molar Mass

97.064 g/mol

Boiling Point

N/A

Melting Point

59 °C

Chemical Formula

HSO4

Hydrogen Sulfate Structure – HSO4

Hydrogen Sulfate

Physical Properties of Hydrogen Sulfate – HSO4

Odour

Odourless

Appearance

White powder

Covalently-Bonded Unit

1

Complexity

76

pH

1

Solubility

Soluble in acetone, ethanol.

Chemical Properties of Hydrogen Sulfate – HSO4

  • Hydrogen sulfate when treated with water forms hydronium ion and sulfate ion. The chemical equation is given below.
  • HSO4 + H2O → H3O+ + SO42-

  • Hydrogen sulfate reacts with nitrate ion forming nitrous acid and sulfate ion. The chemical equation is given below.
  • HSO4 + NO2 → SO42- + HNO2

Uses of Hydrogen Sulfate – HSO4

  • Used as a substitute for liquid sulfur dioxide in the removal of residual chlorine after wastewater treatment.
  • Sodium salt of hydrogen sulfate is commonly called niter cake because il was formerly obtained by the obsolete process.
  • The resin is used to soothe the skin, and its reddish juice stanches blood when used in styptic pencils.

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