Table of contents

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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

Skeletal Structure

Organic Chemistry

1. A Review of General Chemistry

Skeletal Structure

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Multiple Choice

Convert the structure into a line-angle structure. Be sure to assignALL necessary formal and net charges.

Line-angle representation of a carbon chain.

Line-angle structure indicating a single bond.

Line-angle structure with a positive charge symbol.

Line-angle structure with a negative charge symbol.

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Verified step by step guidance

Identify the molecular structure given: The image shows a simple alkane, ethane, with the molecular formula C2H6.

Understand the line-angle structure: In line-angle structures, each vertex represents a carbon atom, and lines represent bonds. Hydrogen atoms bonded to carbon are usually not shown explicitly.

Draw the line-angle structure: For ethane, which has two carbon atoms connected by a single bond, draw a single line. Each end of the line represents a carbon atom.

Assign formal charges: In ethane, all carbon atoms have a complete octet and no formal charges. Therefore, no charges need to be assigned in the line-angle structure.

Verify the net charge: Ethane is a neutral molecule, so the net charge is zero. Ensure that the line-angle structure reflects this neutrality.