In the Reaction CaO(s) + SO₂(g) $\leftrightharpoons$ CaSO₃(s),
A) O^2- Acts as a Lewis Base, and SO₂

question 64

Multiple Choice

In the reaction CaO(s) + SO₂(g) $\leftrightharpoons$ 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) SO₄^2- 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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