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

5. Chirality

Test 1:Plane of Symmetry

Organic Chemistry

5. Chirality

Test 1:Plane of Symmetry

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Multiple Choice

Which of the following statements best describes a plane of symmetry in a molecule?

A plane that divides the molecule into two identical halves that are mirror images of each other.

A plane that divides the molecule into two non-superimposable mirror images.

A plane that is perpendicular to the axis of chirality in a chiral molecule.

A plane that allows the molecule to rotate freely without changing its structure.

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Verified step by step guidance

Understand the concept of a plane of symmetry: A plane of symmetry in a molecule is an imaginary plane that divides the molecule into two mirror-image halves.

Identify the characteristics of a plane of symmetry: The two halves created by the plane should be identical and mirror images of each other, meaning they are superimposable.

Differentiate between superimposable and non-superimposable mirror images: Superimposable mirror images can be placed on top of each other and match perfectly, while non-superimposable mirror images cannot.

Consider the role of symmetry in molecular chirality: A chiral molecule lacks a plane of symmetry, as it cannot be divided into two identical mirror-image halves.

Evaluate the given statements: The correct description of a plane of symmetry is the one that divides the molecule into two identical halves that are mirror images of each other.