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

Chirality

Organic Chemistry

5. Chirality

Chirality

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Multiple Choice

Which of the following statements is true regarding the chirality of a molecule?

A chiral molecule has an enantiomer.

A chiral molecule has a plane of symmetry.

A chiral molecule is superimposable on its mirror image.

A chiral molecule must have a double bond.

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Verified step by step guidance

Understand the concept of chirality: A chiral molecule is one that cannot be superimposed on its mirror image. This is a fundamental property of molecules that leads to the existence of enantiomers, which are pairs of molecules that are mirror images of each other but not identical.

Evaluate the statement 'A chiral molecule has an enantiomer': This statement is true because chirality inherently means that the molecule has a non-superimposable mirror image, which is its enantiomer.

Consider the statement 'A chiral molecule has a plane of symmetry': A chiral molecule does not have a plane of symmetry. If a molecule has a plane of symmetry, it is achiral because it can be superimposed on its mirror image.

Analyze the statement 'A chiral molecule is superimposable on its mirror image': This statement is false. The defining characteristic of chirality is that the molecule is not superimposable on its mirror image.

Examine the statement 'A chiral molecule must have a double bond': Chirality is not dependent on the presence of a double bond. Many chiral molecules do not have double bonds, and the presence of a double bond does not necessarily make a molecule chiral.