Question

Sulphur when burnt in air forms________

Answer 1

Oxidation of Sulphur :

• Sulphur when burnt in air forms ${\mathrm{SO}}_2$.
• Sulphur reacts with oxygen as it burns in the presence of oxygen, producing Sulphur dioxide,
• Sulphur dioxide which is produced during the reaction is acidic in nature.
• It is formed in the following manner:

$\mathrm{S}+{\mathrm{O}}_2\to {\mathrm{SO}}_2$

Hence Sulphur when burnt in air forms Sulphur Dioxide