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

3. Acids and Bases

Organic Chemistry Reactions

Organic Chemistry

3. Acids and Bases

Organic Chemistry Reactions

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Multiple Choice

In the context of organic chemistry reactions, which conclusion is supported by the evidence that a reaction proceeds with retention of configuration?

The reaction involves a stereospecific mechanism such as an SN2 reaction with a chiral center.

The reaction involves a nucleophilic substitution via an SN1 mechanism.

The reaction involves a nucleophilic substitution via an SN2 mechanism.

The reaction involves an electrophilic addition to an alkene.

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Verified step by step guidance

Understand the concept of 'retention of configuration': In stereochemistry, retention of configuration means that the spatial arrangement of atoms around a chiral center remains unchanged after a chemical reaction.

Identify the types of reactions mentioned: The problem lists SN1, SN2, and electrophilic addition reactions. Each has distinct characteristics regarding stereochemistry.

Analyze SN1 reactions: SN1 reactions typically proceed with racemization, not retention of configuration, because they involve a carbocation intermediate that allows for rearrangement.

Analyze SN2 reactions: SN2 reactions are known for their stereospecificity, often leading to inversion of configuration. However, under certain conditions, they can proceed with retention of configuration, especially if the nucleophile attacks from the same side as the leaving group.

Consider electrophilic addition to alkenes: This type of reaction generally does not involve retention of configuration at a chiral center, as it often leads to the formation of new stereocenters or rearrangement.