Conjugate Acid-Base Pairs Worksheet
Grade 12 Chemistry worksheet focusing on identifying and understanding conjugate acid-base pairs in various reactions.
Includes
Standards
Topics
Conjugate Acid-Base Pairs
Name:
Date:
Score:
Read each question carefully and provide your answers in the space provided. Show all your work for calculations.
1. Which of the following is the conjugate base of H₂SO₄?
SO₄²⁻
HSO₄⁻
H₃O⁺
H₂SO₃
2. In the reaction: NH₃ + H₂O ⇌ NH₄⁺ + OH⁻, what is the conjugate acid-base pair?
NH₃ / H₂O
H₂O / OH⁻
NH₄⁺ / OH⁻
NH₃ / OH⁻
3. A conjugate acid is formed when a base a proton.
4. The conjugate base of a strong acid is a base.
5. In an acid-base reaction, the acid donates a proton and becomes its base.
6. Identify the conjugate acid-base pairs in the following reaction:
HCO₃⁻(aq) + H₂O(l) ⇌ H₂CO₃(aq) + OH⁻(aq)
7. Explain the relationship between the strength of an acid and the strength of its conjugate base.
Match each acid with its correct conjugate base.
8. HCl
a. CN⁻
9. H₂S
b. Cl⁻
10. HCN
c. HS⁻
11. Water can act as both an acid and a base.
True
False
12. A strong acid has a strong conjugate base.
True
False
Related Worksheets
Grade 12 Burette Reading Worksheet
A worksheet for Grade 12 Chemistry students to practice reading and understanding burette measurements.
Balancing Nuclear Reactions Worksheet
Grade 12 Science worksheet focused on balancing nuclear equations, identifying types of decay, and understanding nuclear stability.
Hydrocarbons Worksheet
Grade 12 Chemistry worksheet covering the nomenclature, structure, properties, and reactions of various hydrocarbon classes.
Grade 12 Molecular Structure Worksheet
A Grade 12 Chemistry worksheet focusing on molecular structure, VSEPR theory, hybridization, and intermolecular forces.
Percent Abundance of Isotopes Worksheet
Grade 12 Chemistry worksheet on understanding and calculating percent abundance of isotopes, average atomic mass, and mass spectrometry.
Acid-Base Nomenclature Worksheet
A Grade 12 Chemistry worksheet covering the nomenclature of acids and bases, including common naming conventions and formulas.
Ionic Bonds Worksheet
A Grade 12 Chemistry worksheet exploring the principles of ionic bonding, including formation, properties, and examples.
Ionic Bonds Worksheet
A Grade 12 Chemistry worksheet exploring the principles of ionic bonding, including formation, properties, and examples.