What happens when sulphur dioxide gas is passed through an aqueous solution of a Fe(III) salt?

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Solution

Since SO $_{2}$ is a reducing agent so, $F e^{3 +}$ is reduced to $F e^{2 +}$ . The reaction is as follows:
$2 F e^{3 +} + S O_{2} + 2 H_{2} O$ $\to$ $2 F e^{2 +} + S O_{4}^{2 -} + 4 H^{+}$

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F e (I I I)

What happens when sulphur dioxide is passed through an aqueous solution of Fe(III) salt?

a) What happens when sulphur dioxide is passed through an aqueous solution of Fe(III) salt?

b) Draw the canonical structures of ozone molecule

S O_{2}

F e^{+ 3}

X e F_{4}

S b F_{5}

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