a) Write the chemical equation to prepare sulphur dioxide from industrial method?
b) What happens when $S O_{2}$ is pass through water?
c) Write reaction showing reducing property of sulphur dioxide?
d) Draw a labeled diagram showing ring structure of rhombic sulphur?

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Solution

a) The chemical equation to prepare sulphur dioxide from industrial method is
$4 F e S_{2} (s) + 11 O_{2} (g) \to 2 F e_{2} O_{3} (s) + 8 S O_{2} (g)$
b) When SO $_{2}$ is pass through water, it forms sulphurous acid
$S O_{2} + H_{2} O \to H_{2} S O_{3}$
c) Reaction showing reducing property of sulphur dioxide is
$I_{2} + S O_{2} + 2 H_{2} O \to 2 H I + H_{2} S O_{4}$
d) A labeled diagram showing ring structure of rhombic sulphur is as shown.

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