Multiple Choice
In aqueous solution, which acid–base reaction is essentially irreversible (goes to completion)?
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17. Acid and Base Equilibrium
Arrhenius Acids and Bases
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Which ions are formed from the dissociation of the following compound?
A
B
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D
No reaction
Verified step by step guidance1
Identify the compound given in the problem: H₂SO₄, which is sulfuric acid.
Understand the concept of dissociation: Dissociation is the process by which a compound separates into ions when dissolved in water.
Examine the chemical equation provided in the image: H₂SO₄(l) → 2 H⁺(aq) + SO₄²⁻(aq). This indicates that sulfuric acid dissociates into two hydrogen ions and one sulfate ion in aqueous solution.
Recognize that sulfuric acid is a strong acid: It completely dissociates in water, releasing two hydrogen ions per molecule of H₂SO₄.
Conclude that the ions formed from the dissociation of H₂SO₄ in water are H⁺ and SO₄²⁻, as shown in the chemical equation.
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