On heating anhydrous iron (ll) sulphate, in addition to producing iron (iii) oxide, which of the following is produced?
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Correct Answer: Option C
Explanation:
The correct answer is C: SO₂ (g) + SO₃ (g).
Here’s why:
When anhydrous iron(II) sulfate (FeSO₄) is heated, it decomposes to form iron(III) oxide (Fe₂O₃) along with the release of sulfur dioxide (SO₂) and sulfur trioxide (SO₃). The reaction can be represented as:
\[
2FeSO₄ \rightarrow Fe₂O₃ + 2SO₂ + O₂
\]
In this decomposition reaction, SO₂ (sulfur dioxide) and SO₃ (sulfur trioxide) are produced as gases in addition to iron(III) oxide (Fe₂O₃). Therefore, the correct option is C.
The correct answer is C: SO₂ (g) + SO₃ (g).
Here’s why:
When anhydrous iron(II) sulfate (FeSO₄) is heated, it decomposes to form iron(III) oxide (Fe₂O₃) along with the release of sulfur dioxide (SO₂) and sulfur trioxide (SO₃). The reaction can be represented as:
\[
2FeSO₄ \rightarrow Fe₂O₃ + 2SO₂ + O₂
\]
In this decomposition reaction, SO₂ (sulfur dioxide) and SO₃ (sulfur trioxide) are produced as gases in addition to iron(III) oxide (Fe₂O₃). Therefore, the correct option is C.