Question

Oxides of which elements dissolve in moisture and produce sulphuric acid?

Answer 1

• Oxides of Sulphur($\mathrm{S}$) dissolve in moisture and produce Sulphuric acid(${\mathrm{H}}_2{\mathrm{SO}}_4$).
• Sulphur($\mathrm{S}$) is insoluble in water.
• Oxides of Sulphur(${\mathrm{SO}}_3$) react with water to form ${\mathrm{H}}_2{\mathrm{SO}}_4$.
• The reaction is as follows: ${\mathrm{SO}}_3+{\mathrm{H}}_2\mathrm{O}\to {\mathrm{H}}_2{\mathrm{SO}}_4$

Therefore, the oxides of Sulphur($\mathrm{S}$) form Sulphuric acid when dissolved in water or in moisture.