What Is a Convenient Synthetic Method for the Preparation of SO₂

question 113

Multiple Choice

What is a convenient synthetic method for the preparation of SO₂?

• A)2 SO₃(g)+ heat → 2 SO₂(g)+ O₂(g)
• B)S₈(s)+ 8 O₂(g)+ heat → 8 SO₂(g)
• C)H₂SO₃(aq)⇌ H₂O(l)+ SO₂(aq)
• D)FeSO₃(s)+ heat → FeO(s)+ SO₂(g)

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