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

Which two methods are commonly used for determining the age of rocks and fossils in organic chemistry?

Mass spectrometry and infrared spectroscopy

X-ray crystallography and nuclear magnetic resonance

Radiocarbon dating and potassium-argon dating

Thin-layer chromatography and gas chromatography

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Verified step by step guidance

Understand that the problem is asking about methods used for dating rocks and fossils, which is related to geochemistry rather than organic chemistry.

Recognize that radiocarbon dating is a method used to determine the age of organic materials by measuring the decay of carbon-14 isotopes. This is particularly useful for dating materials up to about 50,000 years old.

Learn that potassium-argon dating is used to date rocks and minerals based on the radioactive decay of potassium-40 to argon-40. This method is useful for dating geological samples that are millions of years old.

Differentiate these methods from techniques like mass spectrometry, infrared spectroscopy, X-ray crystallography, nuclear magnetic resonance, thin-layer chromatography, and gas chromatography, which are used for analyzing chemical structures and compositions rather than dating.

Conclude that radiocarbon dating and potassium-argon dating are the correct methods for determining the age of rocks and fossils, as they are specifically designed for age determination based on radioactive decay.