In the Reaction CaO(s)+ CO₂(g)→ CaCO₃(s)

Multiple Choice

In the reaction CaO(s) + CO₂(g) → CaCO₃(s) ,

A) O^2- acts as a Lewis base and CO₂ acts as a Lewis acid.
B) O^2- acts as a Lewis base and Ca²⁺ acts as a Lewis acid.
C) CaO is the Lewis acid and CaCO₃ is its conjugate base.
D) CO₂ is the Lewis acid and CaCO₃ is its conjugate base.
E) Ca²⁺ acts as a Lewis acid and CO₃^2- acts as a Lewis base.