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

Condensed Structural Formula

Organic Chemistry

1. A Review of General Chemistry

Condensed Structural Formula

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Problem 47c

Textbook Question

Represent each of the following condensed structural formulas using a line-angle drawing.
(c) CH₃CHOHCH₂CHBrCH₃

Verified step by step guidance

Step 1: Understand the condensed structural formula CH3CHOHCH2CHBrCH3. This represents a molecule with a chain of five carbon atoms (pentane backbone) and specific substituents attached to the chain.

Step 2: Identify the substituents and their positions. The molecule contains a hydroxyl group (-OH) attached to the second carbon and a bromine atom (Br) attached to the fourth carbon.

Step 3: Draw the main carbon chain as a zigzag line to represent the five carbon atoms in the pentane backbone. Each vertex represents a carbon atom, and the ends of the zigzag represent terminal carbons.

Step 4: Add the substituents to the appropriate carbons. Attach the hydroxyl group (-OH) to the second carbon and the bromine atom (Br) to the fourth carbon. Ensure the correct placement of these groups relative to the main chain.

Step 5: Verify the structure by counting the number of bonds around each carbon atom (four bonds per carbon) and ensuring that all substituents are correctly placed. This completes the line-angle drawing for CH3CHOHCH2CHBrCH3.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Condensed Structural Formulas

Condensed structural formulas provide a simplified representation of a molecule, showing the arrangement of atoms and their connectivity without depicting all the bonds explicitly. In these formulas, groups of atoms are often grouped together, such as CH3 for a methyl group, which helps in visualizing the molecular structure more efficiently.

Line-Angle Drawings

Line-angle drawings, also known as skeletal structures, are a shorthand way of representing organic molecules. In these drawings, vertices represent carbon atoms, and lines represent bonds. Hydrogen atoms attached to carbons are usually omitted for simplicity, making it easier to visualize larger organic structures quickly.

Functional Groups

Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules. In the given formula, the presence of the hydroxyl group (–OH) indicates that the compound is an alcohol, while the bromine atom (Br) suggests the presence of a halogen, which can influence the reactivity and properties of the molecule.

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