Multiple Choice
Which of the following is the conjugate acid of the base CO3^2-?
17. Acid and Base Equilibrium
Acids Introduction
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Is ZnO + H2O -> Zn(OH)₂ an example of an acidic anhydride or a basic anhydride?
A
Acidic anhydride
B
Neutral anhydride
C
Basic anhydride
D
Amphoteric anhydride
Verified step by step guidance1
Understand the concept of anhydrides: Anhydrides are compounds that react with water to form an acid or a base. Acidic anhydrides form acids, while basic anhydrides form bases.
Identify the reactants and products: In the given reaction, ZnO (zinc oxide) reacts with H2O (water) to form Zn(OH)₂ (zinc hydroxide).
Determine the nature of the product: Zn(OH)₂ is a hydroxide, which is a type of base. This indicates that the reaction forms a basic solution.
Classify the anhydride: Since ZnO reacts with water to form a base (Zn(OH)₂), ZnO is classified as a basic anhydride.
Consider amphoteric behavior: Although ZnO can exhibit amphoteric properties, in this reaction, it specifically acts as a basic anhydride because it forms a base when reacting with water.
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