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 40m
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

Which of the following reactions is an example of a nucleophilic substitution reaction?

E2 reaction

SN1 reaction

E1 reaction

Diels-Alder reaction

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Understand the concept of nucleophilic substitution reactions. These reactions involve the replacement of a leaving group by a nucleophile. They are characterized by the attack of a nucleophile on an electrophilic center, typically a carbon atom bonded to a leaving group.

Differentiate between SN1 and SN2 reactions, which are both types of nucleophilic substitution reactions. SN1 reactions are unimolecular, involving a two-step mechanism where the leaving group departs first, forming a carbocation intermediate, followed by nucleophilic attack.

Recognize that E2 and E1 reactions are elimination reactions, not substitution reactions. E2 reactions involve the removal of a proton and a leaving group simultaneously, while E1 reactions involve the formation of a carbocation intermediate followed by the loss of a proton.

Identify that the Diels-Alder reaction is a cycloaddition reaction, not a nucleophilic substitution. It involves the formation of a six-membered ring from a conjugated diene and a dienophile.

Conclude that among the given options, the SN1 reaction is the correct example of a nucleophilic substitution reaction, as it involves the substitution of a leaving group by a nucleophile through a two-step mechanism.