Table of contents

1. A Review of General Chemistry5h 5m
2. Molecular Representations1h 14m
3. Acids and Bases2h 46m
4. Alkanes and Cycloalkanes4h 17m
5. Chirality3h 39m
6. Thermodynamics and Kinetics1h 22m
7. Substitution Reactions1h 48m
8. Elimination Reactions2h 30m
9. Alkenes and Alkynes2h 9m
10. Addition Reactions3h 19m
11. Radical Reactions1h 58m
12. Alcohols, Ethers, Epoxides and Thiols2h 42m
13. Alcohols and Carbonyl Compounds2h 17m
14. Synthetic Techniques1h 26m
15. Analytical Techniques:IR, NMR, Mass Spect7h 3m
16. Conjugated Systems6h 13m
17. Ultraviolet Spectroscopy51m
18. Aromaticity2h 34m
19. Reactions of Aromatics: EAS and Beyond5h 1m
20. Phenols55m
21. Aldehydes and Ketones: Nucleophilic Addition4h 56m
22. Carboxylic Acid Derivatives: NAS2h 51m
23. The Chemistry of Thioesters, Phophate Ester and Phosphate Anhydrides1h 10m
24. Enolate Chemistry: Reactions at the Alpha-Carbon1h 53m
25. Condensation Chemistry2h 9m
26. Amines1h 43m
27. Heterocycles2h 0m
28. Carbohydrates5h 53m
29. Amino Acids4h 20m
30. Peptides and Proteins2h 42m
31. Catalysis in Organic Reactions1h 30m
32. Lipids 2h 50m
33. The Organic Chemistry of Metabolic Pathways2h 52m
34. Nucleic Acids1h 32m
35. Transition Metals6h 14m
36. Synthetic Polymers1h 49m

3. Acids and Bases

Acids and Bases

Organic Chemistry

3. Acids and Bases

Acids and Bases

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Multiple Choice

Which of the following statements correctly describes why acetic acid is considered a weak acid?

Acetic acid has a high pH value.

Acetic acid completely dissociates in water.

Acetic acid is a strong electrolyte.

Acetic acid partially dissociates in water.

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Verified step by step guidance

Understand the concept of acid dissociation: Acids dissociate in water to release hydrogen ions (H⁺). The extent of this dissociation determines whether an acid is strong or weak.

Define a weak acid: A weak acid is one that does not completely dissociate in water. Instead, it establishes an equilibrium between the undissociated acid and the ions produced.

Examine acetic acid's behavior in water: Acetic acid (CH₃COOH) partially dissociates in water, meaning not all acetic acid molecules release H⁺ ions. This partial dissociation is characteristic of weak acids.

Evaluate the incorrect statements: A high pH value indicates a basic solution, not an acidic one. Complete dissociation and strong electrolytes are properties of strong acids, not weak acids like acetic acid.

Conclude with the correct statement: The correct description of acetic acid as a weak acid is that it partially dissociates in water, forming an equilibrium between CH₃COOH and its ions (CH₃COO⁻ and H⁺).