Multiple Choice
Name the carbonyl containing product formed when propyl-3-methylpentanoate reacts with Mg2+ in an aqueous solution.
Table of contents
- 1. A Review of General Chemistry5h 6m
- Summary23m
- Intro to Organic Chemistry4m
- Atomic Structure17m
- Wave Function9m
- Molecular Orbitals17m
- Sigma and Pi Bonds10m
- Octet Rule12m
- Bonding Preferences12m
- Formal Charges6m
- Skeletal Structure14m
- Lewis Structure20m
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- Resonance Structures46m
- Hybridization23m
- Molecular Geometry16m
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- 2. Molecular Representations1h 14m
- 3. Acids and Bases2h 46m
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- IUPAC Naming29m
- Alkyl Groups13m
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- Naming Alkenes3m
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- Test 3:Disubstituted Cycloalkanes13m
- What is the Relationship Between Isomers?16m
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- 6. Thermodynamics and Kinetics1h 22m
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- 8. Elimination Reactions2h 30m
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- Addition Reaction6m
- Markovnikov5m
- Hydrohalogenation6m
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- 11. Radical Reactions1h 58m
- 12. Alcohols, Ethers, Epoxides and Thiols2h 40m
- Alcohol Nomenclature4m
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- Thiol Reactions6m
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- 13. Alcohols and Carbonyl Compounds2h 17m
- 14. Synthetic Techniques1h 26m
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- NMR Integration18m
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- Acid Chloride Nomenclature5m
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- Nucleophilic Acyl Substitution18m
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- Review of Nitriles46m
- 23. The Chemistry of Thioesters, Phophate Ester and Phosphate Anhydrides1h 10m
- 24. Enolate Chemistry: Reactions at the Alpha-Carbon1h 53m
- Tautomerization9m
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- Enolate4m
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- Haloform Reaction8m
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- Overview of Alpha-Alkylations and Acylations5m
- Enolate Alkylation and Acylation12m
- Enamine Alkylation and Acylation16m
- Beta-Dicarbonyl Synthesis Pathway7m
- Acetoacetic Ester Synthesis13m
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- 25. Condensation Chemistry2h 9m
- 26. Amines1h 43m
- 27. Heterocycles2h 0m
- Nomenclature of Heterocycles15m
- Acid-Base Properties of Nitrogen Heterocycles10m
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- 28. Carbohydrates5h 53m
- Monosaccharide20m
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- Disaccharide30m
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- 29. Amino Acids4h 20m
- Proteins and Amino Acids19m
- L and D Amino Acids14m
- Polar Amino Acids14m
- Amino Acid Chart1h 18m
- Acid-Base Properties of Amino Acids33m
- Isoelectric Point14m
- Amino Acid Synthesis: HVZ Method12m
- Synthesis of Amino Acids: Acetamidomalonic Ester Synthesis16m
- Synthesis of Amino Acids: N-Phthalimidomalonic Ester Synthesis13m
- Synthesis of Amino Acids: Strecker Synthesis13m
- Reactions of Amino Acids: Esterification7m
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- Reactions of Amino Acids: Hydrogenolysis6m
- Reactions of Amino Acids: Ninhydrin Test11m
- 30. Peptides and Proteins2h 42m
- Peptides12m
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- Secondary Protein Structure17m
- Tertiary Protein Structure11m
- Disulfide Bonds17m
- Quaternary Protein Structure10m
- Summary of Protein Structure7m
- Intro to Peptide Sequencing2m
- Peptide Sequencing: Partial Hydrolysis25m
- Peptide Sequencing: Partial Hydrolysis with Cyanogen Bromide7m
- Peptide Sequencing: Edman Degradation28m
- Merrifield Solid-Phase Peptide Synthesis18m
- 31. Catalysis in Organic Reactions1h 30m
- 32. Lipids 2h 50m
- 33. The Organic Chemistry of Metabolic Pathways2h 52m
- Intro to Metabolism6m
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- Intro to Coenzymes3m
- Coenzymes in Metabolism16m
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- Intro to Glycolysis3m
- Catabolism of Carbohydrates: Glycolysis27m
- Glycolysis Summary15m
- Pyruvate Oxidation (Simplified)4m
- Anaerobic Respiration11m
- Catabolism of Fats: Glycerol Metabolism11m
- Intro to Citric Acid Cycle7m
- Structures of the Citric Acid Cycle19m
- The Citric Acid Cycle35m
- 34. Nucleic Acids1h 32m
- 35. Transition Metals6h 14m
- Electron Configuration of Elements45m
- Coordination Complexes20m
- Ligands24m
- Electron Counting10m
- The 18 and 16 Electron Rule13m
- Cross-Coupling General Reactions40m
- Heck Reaction40m
- Stille Reaction13m
- Suzuki Reaction25m
- Sonogashira Coupling Reaction17m
- Fukuyama Coupling Reaction15m
- Kumada Coupling Reaction13m
- Negishi Coupling Reaction16m
- Buchwald-Hartwig Amination Reaction19m
- Eglinton Reaction17m
- Catalytic Allylic Alkylation18m
- Alkene Metathesis23m
- 36. Synthetic Polymers1h 49m
- Introduction to Polymers6m
- Chain-Growth Polymers10m
- Radical Polymerization15m
- Cationic Polymerization8m
- Anionic Polymerization8m
- Polymer Stereochemistry3m
- Ziegler-Natta Polymerization4m
- Copolymers6m
- Step-Growth Polymers11m
- Step-Growth Polymers: Urethane6m
- Step-Growth Polymers: Polyurethane Mechanism10m
- Step-Growth Polymers: Epoxy Resin8m
- Polymers Structure and Properties8m
31. Catalysis in Organic Reactions
Metal Ion Catalysis: Water Activation
Multiple Choice
Given below are the pKa values of metal ions after binding to water. If the greater the acidity of a metal cation then the more easily the complex forms, which of the following ions would facilitate the fastest basic hydrolysis of ethyl propanoate?
A
Al3+ (pKa = 4.85)
B
Cu2+ (pKa = 7.52)
C
Fe3+ (pKa = 2.20)
D
Ni2+ (pKa = 10.60)
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Verified step by step guidance1
Understand that the pKa value is a measure of the acidity of a metal ion when it is bound to water. A lower pKa value indicates a stronger acid.
Recall that a stronger acid will donate protons more readily, which can facilitate the hydrolysis reaction by providing more H+ ions.
Compare the given pKa values: Al3+ (4.85), Cu2+ (7.52), Fe3+ (2.20), and Ni2+ (10.60).
Identify that Fe3+ has the lowest pKa value among the given metal ions, indicating it is the strongest acid.
Conclude that Fe3+, being the strongest acid, will facilitate the fastest basic hydrolysis of ethyl propanoate due to its ability to donate protons more readily, enhancing the reaction rate.
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