Table of contents

1. Intro to General Chemistry3h 48m
2. Atoms & Elements4h 16m
3. Chemical Reactions4h 10m
4. BONUS: Lab Techniques and Procedures1h 38m
5. BONUS: Mathematical Operations and Functions48m
6. Chemical Quantities & Aqueous Reactions3h 53m
7. Gases3h 49m
8. Thermochemistry2h 37m
9. Quantum Mechanics2h 58m
10. Periodic Properties of the Elements3h 9m
11. Bonding & Molecular Structure3h 29m
12. Molecular Shapes & Valence Bond Theory1h 57m
13. Liquids, Solids & Intermolecular Forces2h 23m
14. Solutions3h 1m
15. Chemical Kinetics2h 53m
16. Chemical Equilibrium2h 29m
17. Acid and Base Equilibrium5h 1m
18. Aqueous Equilibrium4h 47m
19. Chemical Thermodynamics1h 50m
20. Electrochemistry2h 42m
21. Nuclear Chemistry2h 36m
22. Organic Chemistry5h 7m
23. Chemistry of the Nonmetals2h 39m
24. Transition Metals and Coordination Compounds3h 16m

17. Acid and Base Equilibrium

Bronsted-Lowry Acids and Bases

General Chemistry

17. Acid and Base Equilibrium

Bronsted-Lowry Acids and Bases

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Multiple Choice

Which of the following represents the reaction when a weak base, B, is dissolved in water?

B (aq) + H3O+ (aq) → HB+ (aq) + H2O (l)

B (aq) + H2O (l) ⇌ B- (aq) + H3O+ (aq)

B (aq) + H2O (l) ⇌ HB+ (aq) + OH- (aq)

B (aq) + H3O+ (l) → HB+ (aq) + H2O (l)

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Verified step by step guidance

Identify the nature of the species involved: A weak base (B) is a substance that can accept a proton (H+). When dissolved in water, it partially ionizes to form its conjugate acid (HB+) and hydroxide ions (OH-).

Understand the role of water: In the reaction of a weak base with water, water acts as an acid, donating a proton to the base. This results in the formation of the conjugate acid of the base and hydroxide ions.

Write the general equation for a weak base reacting with water: The general reaction for a weak base (B) in water is B (aq) + H2O (l) ⇌ HB+ (aq) + OH- (aq). This shows the base accepting a proton from water, forming its conjugate acid and hydroxide ions.

Analyze the given options: Compare the given reactions with the general equation. The correct representation should show the weak base reacting with water to form its conjugate acid and hydroxide ions.

Select the correct reaction: The correct reaction is B (aq) + H2O (l) ⇌ HB+ (aq) + OH- (aq), as it accurately represents the weak base accepting a proton from water, forming its conjugate acid and hydroxide ions.