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

1. A Review of General Chemistry

Intro to Organic Chemistry

Organic Chemistry

1. A Review of General Chemistry

Intro to Organic Chemistry

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Multiple Choice

In the context of organic chemistry, which principle is often referred to as the 'law of dominance'?

The principle that in a genetic cross, one allele can mask the expression of another allele.

The principle that in a chemical reaction, the most stable product is formed preferentially.

The principle that in a reaction mechanism, the step with the highest energy barrier determines the rate.

The principle that in a mixture of enantiomers, one enantiomer will dominate in optical activity.

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Verified step by step guidance

Step 1: Begin by understanding the context of the problem, which is organic chemistry. This field often involves principles related to chemical reactions, molecular interactions, and stereochemistry.

Step 2: Identify the term 'law of dominance' and recognize that it is typically associated with genetics, where one allele can mask the expression of another. However, in organic chemistry, this term might be used metaphorically to describe a dominant process or product.

Step 3: Examine each option provided in the problem. The first option relates to genetics, which is not directly relevant to organic chemistry. The second option refers to the stability of products in chemical reactions, which is a key concept in organic chemistry.

Step 4: Consider the third option, which involves reaction mechanisms and energy barriers. This is crucial in determining the rate of a chemical reaction, as the step with the highest energy barrier is often the rate-determining step.

Step 5: Evaluate the fourth option, which discusses enantiomers and optical activity. In organic chemistry, mixtures of enantiomers can exhibit different levels of optical activity, with one enantiomer potentially dominating. This is relevant to stereochemistry and chiral molecules.