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 best explains why a molecule is considered chiral?

It has an equal number of carbon and hydrogen atoms.

It has a plane of symmetry.

It can exist in two non-superimposable mirror image forms.

It contains 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 similar to how your left and right hands are mirror images but cannot be perfectly aligned on top of each other.

Identify the structural feature that leads to chirality: Chirality often arises from the presence of a chiral center, typically a carbon atom bonded to four different groups or atoms.

Evaluate the given options: Consider each statement and determine if it aligns with the definition of chirality. For example, having an equal number of carbon and hydrogen atoms does not affect chirality.

Consider symmetry: A molecule with a plane of symmetry is not chiral because it can be divided into two identical halves, which means it can be superimposed on its mirror image.

Recognize the correct explanation: The statement 'It can exist in two non-superimposable mirror image forms' directly describes the property of chirality, making it the correct explanation.