Conjugate Acid-Base Pairs Worksheet
Explore the concepts of conjugate acid-base pairs, Brønsted-Lowry acids and bases, and their properties in chemical reactions.
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Conjugate Acid-Base Pairs
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. A Brønsted-Lowry acid is a proton , while a Brønsted-Lowry base is a proton .
2. When an acid donates a proton, it forms its base.
3. When a base accepts a proton, it forms its acid.
1. Which of the following is the conjugate base of H₂SO₄?
SO₄²⁻
HSO₄⁻
H₃SO₄⁺
H₂SO₃
2. What is the conjugate acid of NH₃?
NH₂⁻
NH₄⁺
N₂H₄
NH₃
1. Define a conjugate acid-base pair.
2. Identify the acid, base, conjugate acid, and conjugate base in the following reaction:
HCl + H₂O ⇌ H₃O⁺ + Cl⁻
1. A strong acid has a weak conjugate base.
True
False
2. Water can act as both an acid and a base.
True
False
3. Consider the following reaction:
CH₃COOH + H₂O ⇌ CH₃COO⁻ + H₃O⁺
a) Identify the acid and its conjugate base.
b) Identify the base and its conjugate acid.