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 is true regarding the strength of acids and bases?

A strong acid completely dissociates in water.

A weak acid has a high concentration of hydrogen ions.

A strong base partially dissociates in water.

A weak base completely dissociates in water.

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Verified step by step guidance

Understand the concept of acid and base dissociation: A strong acid or base dissociates completely in water, meaning it releases all of its hydrogen ions (H⁺) or hydroxide ions (OH⁻) into the solution.

Identify the characteristics of a strong acid: A strong acid, such as hydrochloric acid (HCl), dissociates completely in water, resulting in a high concentration of hydrogen ions (H⁺) in the solution.

Recognize the properties of a weak acid: A weak acid, like acetic acid (CH₃COOH), only partially dissociates in water, meaning it does not release all of its hydrogen ions, resulting in a lower concentration of H⁺ compared to a strong acid.

Examine the behavior of a strong base: A strong base, such as sodium hydroxide (NaOH), dissociates completely in water, releasing all of its hydroxide ions (OH⁻) into the solution.

Understand the nature of a weak base: A weak base, like ammonia (NH₃), only partially dissociates in water, meaning it does not release all of its hydroxide ions, resulting in a lower concentration of OH⁻ compared to a strong base.