Question

Write only the chemical reaction for the formation of sulphuric acid.

Answer 1

sulfur combines with oxygen to form sulfur dioxide.

$\underset{\mathrm{sulfur}}{\mathrm{S}\left(\mathrm{s}\right)}+\underset{\mathrm{oxygen}}{{\mathrm{O}}_2\left(\mathrm{g}\right)}\to \underset{\mathrm{sulfur}\mathrm{dioxide}}{{\mathrm{SO}}_2\left(\mathrm{g}\right)}$

sulfur dioxide is oxidized by atmospheric oxygen to sulfur trioxide

.$\underset{\mathrm{sulfur}\mathrm{dioxide}}{2{\mathrm{SO}}_2\left(\mathrm{g}\right)}+\underset{\mathrm{oxygen}}{{\mathrm{O}}_2\left(\mathrm{g}\right)}\to \underset{\mathrm{sulfur}\mathrm{trioxide}}{2{\mathrm{SO}}_3\left(\mathrm{g}\right)}$

sulfur trioxide combines with water to form sulfuric acid.

$\underset{\mathrm{sulfur}\mathrm{trioxide}}{{\mathrm{SO}}_3\left(\mathrm{g}\right)}+\underset{\mathrm{water}}{{\mathrm{H}}_2\mathrm{O}\left(\mathrm{l}\right)}\to \underset{\mathrm{sulfuric}\mathrm{acid}}{{\mathrm{H}}_2{\mathrm{SO}}_4\left(\mathrm{l}\right)}$

The sulfuric acid leads to acid rain.