Consider the reaction represented by the equation: Ca(OH)2(aq) + CO 2(g) → CaCO3(s) + H 2O(l) in the reaction above, CO 2 acts as
Answer Details
In the given chemical equation, Ca(OH)2 reacts with CO2 to form CaCO3 and H2O. Carbon dioxide (CO2) is a non-metallic oxide and when it reacts with water, it forms carbonic acid (H2CO3). The equation can be written as CO2 + H2O → H2CO3 Carbonic acid is a weak acid that can donate H+ ions to form HCO3- ions. The HCO3- ions formed then react with Ca2+ ions present in Ca(OH)2 to form CaCO3 and H2O. Thus, CO2 acts as an acidic oxide in the given reaction. Therefore, the answer is "an acidic oxide".