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

2. Molecular Representations

Functional Groups

Organic Chemistry

2. Molecular Representations

Functional Groups

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Multiple Choice

What is the main characteristic that distinguishes hydrophilic functional groups from hydrophobic ones?

Hydrophilic groups repel water.

Hydrophilic groups are attracted to water.

Hydrophilic groups are insoluble in water.

Hydrophilic groups are non-polar.

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Verified step by step guidance

Understand the terms 'hydrophilic' and 'hydrophobic': Hydrophilic means 'water-loving' and refers to substances that interact well with water, while hydrophobic means 'water-fearing' and refers to substances that do not interact well with water.

Identify the key characteristic of hydrophilic groups: Hydrophilic functional groups are typically polar, meaning they have a distribution of charge that allows them to interact with water molecules, which are also polar.

Recognize the types of interactions: Hydrophilic groups can form hydrogen bonds or electrostatic interactions with water molecules, enhancing their solubility in water.

Contrast with hydrophobic groups: Hydrophobic groups are usually non-polar, lacking the charge distribution necessary to interact with water, leading to their insolubility in water.

Summarize the main characteristic: The main characteristic that distinguishes hydrophilic functional groups is their ability to attract and interact with water due to their polar nature.