In the Reaction CaO(s)+ SO₂(g) CaSO₃(s)

question 29

Multiple Choice

In the reaction CaO(s) + SO₂(g) CaSO₃(s) ,

• A)O^2- acts as a Lewis base,and SO₂ acts as a Lewis acid.
• B)Ca²⁺ acts as a Lewis base,and SO₄^2- acts as a Lewis acid.
• C)SO₃^2- acts as a Lewis base,and SO₂ acts as a Lewis acid.
• D)SO₂ acts as a Lewis base,and O^2- acts as a Lewis acid.
• E)SO₂ acts as a Lewis base,and Ca²⁺ acts as a Lewis acid.

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