Formation of Sulfur Dioxide

S + O2 → SO2

Descripción general

Sulfur burns in oxygen with a characteristic blue flame to produce sulfur dioxide, a pungent-smelling gas. This reaction is the first step in the industrial production of sulfuric acid. Sulfur dioxide is also a significant atmospheric pollutant.

Participantes

Rol Sustancia Coeficiente Estado
Reactivo Sulfur S 1 (s)
Reactivo Oxygen O 1 (g)
Producto Sulfur Dioxide SO₂ 1 (g)

Ejemplo cotidiano

The smell of a struck match comes partly from sulfur dioxide produced as the match head burns.

Importancia industrial

Esta reacción es el primer paso del Proceso de Contacto para la fabricación de ácido sulfúrico. También es relevante para comprender la lluvia ácida y las emisiones de centrales eléctricas de carbón.

Propiedades

Tipo
Synthesis
Reversible
No
Energía
Exotérmico
ΔH
-296,8 kJ/mol

Reacciones relacionadas

Formation of Calcium Hydroxide Formation of Carbon Monoxide Formation of Nitrogen Dioxide Formation of Potassium Chloride Formation of Sodium Bicarbonate Formation of Sodium Peroxide Formation of Silicon Dioxide Formation of Tungsten Carbide Formation of Copper(II) Sulfide Fischer-Tropsch Synthesis (General)

Frequently Asked Questions

What is the equation for Formation of Sulfur Dioxide?
The balanced equation is: S + O₂ → SO₂.
What type of reaction is Formation of Sulfur Dioxide?
Formation of Sulfur Dioxide is a synthesis reaction.
Is Formation of Sulfur Dioxide exothermic or endothermic?
Formation of Sulfur Dioxide is exothermic (releases energy). The enthalpy change (ΔH) is -296.8 kJ/mol.