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

Organic Chemistry Reactions

Organic Chemistry

3. Acids and Bases

Organic Chemistry Reactions

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Multiple Choice

In the context of organic chemistry reactions, how does facilitated diffusion differ from simple diffusion?

Facilitated diffusion requires a catalyst, while simple diffusion does not.

Facilitated diffusion is slower than simple diffusion due to the involvement of enzymes.

Facilitated diffusion involves the movement of molecules against the concentration gradient, while simple diffusion does not.

Facilitated diffusion occurs only in non-polar solvents, while simple diffusion occurs in polar solvents.

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Verified step by step guidance

Begin by understanding the concept of diffusion in the context of organic chemistry. Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration, driven by the concentration gradient.

Simple diffusion is a passive process where molecules move directly through the membrane without the need for any additional energy or assistance. It typically occurs with small, non-polar molecules that can easily pass through the lipid bilayer of cell membranes.

Facilitated diffusion, on the other hand, involves the use of specific proteins or catalysts, such as transport proteins or enzymes, to help move molecules across the membrane. This process is still passive and does not require energy, but it is necessary for molecules that cannot easily pass through the membrane on their own.

Facilitated diffusion does not involve movement against the concentration gradient; it still follows the gradient from high to low concentration. However, it is necessary for larger or polar molecules that require assistance to cross the membrane.

Both facilitated and simple diffusion can occur in various solvents, not limited to polar or non-polar environments. The key difference lies in the requirement of transport proteins or catalysts in facilitated diffusion, which distinguishes it from simple diffusion.