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

Which of the following reactions involves the use of a Grignard reagent to form a new carbon-carbon bond?

Friedel-Crafts acylation

Aldol condensation

Wittig reaction

Grignard reaction

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Verified step by step guidance

Understand the role of Grignard reagents: Grignard reagents are organomagnesium compounds typically represented as RMgX, where R is an organic group and X is a halogen. They are used to form new carbon-carbon bonds by reacting with electrophiles.

Identify the reaction type: The Grignard reaction specifically involves the use of Grignard reagents to form new carbon-carbon bonds. This is a key characteristic that distinguishes it from other reactions.

Compare with other reactions: Friedel-Crafts acylation involves the formation of carbon-carbon bonds but uses a different mechanism involving acyl chlorides and Lewis acids. Aldol condensation involves the formation of carbon-carbon bonds between aldehydes or ketones, but does not use Grignard reagents. The Wittig reaction forms carbon-carbon double bonds using phosphonium ylides, not Grignard reagents.

Recognize the Grignard reaction: In the Grignard reaction, the Grignard reagent acts as a nucleophile, attacking electrophilic carbon atoms, such as those in carbonyl groups, to form new carbon-carbon bonds.

Conclude the identification: Based on the characteristics and mechanisms of the reactions listed, the Grignard reaction is the one that specifically involves the use of Grignard reagents to form new carbon-carbon bonds.