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

18. Aromaticity

Naming Benzene Rings

Organic Chemistry

18. Aromaticity

Naming Benzene Rings

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2:48 minutes

Problem 45f

Textbook Question

Draw the structure for each of the following:
f. m-chlorostyrene

Verified step by step guidance

Identify the parent structure: The parent structure is 'styrene,' which consists of a benzene ring attached to an ethene group (C6H5-CH=CH2).

Understand the prefix 'm-chloro': The 'm-' (meta) position indicates that the chlorine atom is attached to the benzene ring at the position that is one carbon away from the ethene group, skipping the adjacent carbon (para and ortho positions are not used here).

Number the benzene ring: Assign the carbon attached to the ethene group as position 1. The meta position corresponds to position 3 on the benzene ring.

Add the chlorine substituent: Place a chlorine atom (Cl) at the meta position (position 3) of the benzene ring.

Draw the final structure: Combine the benzene ring with the ethene group at position 1 and the chlorine atom at position 3 to complete the structure of m-chlorostyrene.

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Key Concepts

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

Aromatic Compounds

Aromatic compounds are a class of cyclic compounds that contain conjugated pi electron systems, which follow Huckel's rule (4n + 2 pi electrons). They are characterized by their stability and unique reactivity due to resonance. Understanding the structure of aromatic compounds is essential for drawing and predicting the behavior of compounds like m-chlorostyrene.

Substitution Reactions

Substitution reactions in organic chemistry involve the replacement of one atom or group in a molecule with another. In the case of m-chlorostyrene, the chlorine atom is a substituent on the aromatic ring. Recognizing how substituents affect the reactivity and stability of aromatic compounds is crucial for accurately representing their structures.

Styrene Structure

Styrene is an aromatic hydrocarbon with a vinyl group (–CH=CH2) attached to a benzene ring. The presence of the vinyl group influences the reactivity of the compound, particularly in polymerization reactions. Understanding the basic structure of styrene is vital for drawing derivatives like m-chlorostyrene, where a chlorine atom is positioned on the meta position relative to the vinyl group.

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