객관식
Which of the following best describes the effect of substituting a hydrogen atom with a halogen in a hydrocarbon molecule?
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- 1. A Review of General Chemistry5h 6m
- Summary23m
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- 23. The Chemistry of Thioesters, Phophate Ester and Phosphate Anhydrides1h 10m
- 24. Enolate Chemistry: Reactions at the Alpha-Carbon1h 50m
- Tautomerization9m
- Tautomers of Dicarbonyl Compounds6m
- Enolate4m
- Acid-Catalyzed Alpha-Halogentation4m
- Base-Catalyzed Alpha-Halogentation3m
- Haloform Reaction8m
- Hell-Volhard-Zelinski Reaction3m
- Overview of Alpha-Alkylations and Acylations6m
- Enolate Alkylation and Acylation12m
- Enamine Alkylation and Acylation16m
- Beta-Dicarbonyl Synthesis Pathway7m
- Acetoacetic Ester Synthesis13m
- Malonic Ester Synthesis12m
- 25. Condensation Chemistry2h 9m
- 26. Amines1h 43m
- 27. Heterocycles2h 0m
- Nomenclature of Heterocycles15m
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- Reactions of Pyrrole, Furan, and Thiophene13m
- Directing Effects in Substituted Pyrroles, Furans, and Thiophenes16m
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- EAS Reactions of Pyridine17m
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- Side-Chain Reactions of Substituted Pyridines20m
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- Monosaccharides - D and L Isomerism9m
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- Monosaccharides - Acylation8m
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- Disaccharide30m
- Polysaccharide11m
- 29. Amino Acids4h 16m
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- L and D Amino Acids14m
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- Amino Acid Chart1h 14m
- Acid-Base Properties of Amino Acids33m
- Isoelectric Point14m
- Amino Acid Synthesis: HVZ Method12m
- Synthesis of Amino Acids: Acetamidomalonic Ester Synthesis16m
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- Synthesis of Amino Acids: Strecker Synthesis13m
- Reactions of Amino Acids: Esterification7m
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- Reactions of Amino Acids: Ninhydrin Test11m
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- Peptides12m
- Primary Protein Structure4m
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- 31. Catalysis in Organic Reactions1h 30m
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- Catabolism of Fats: Glycerol Metabolism11m
- Intro to Citric Acid Cycle7m
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- 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
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- 36. Synthetic Polymers1h 49m
- Introduction to Polymers6m
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- Step-Growth Polymers: Urethane6m
- Step-Growth Polymers: Polyurethane Mechanism10m
- Step-Growth Polymers: Epoxy Resin8m
- Polymers Structure and Properties8m
2. Molecular Representations
Functional Groups
객관식
Which of the following molecules contains a carbonyl functional group in the form of a ?
A
(acetone)
B
(ethanol)
C
(acetic acid)
D
(acetaldehyde)
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검증된 단계별 안내1
Recall that a ketone functional group consists of a carbonyl group (C=O) bonded to two carbon atoms. The general structure is R-CO-R', where R and R' are carbon-containing groups.
Examine each molecule's structure to identify the presence and type of carbonyl group:
1. Acetone (\(\mathrm{CH_3COCH_3}\)): The carbonyl carbon is bonded to two methyl groups, fitting the ketone definition.
2. Ethanol (\(\mathrm{CH_3CH_2OH}\)): Contains an alcohol group (-OH), no carbonyl group present.
3. Acetic acid (\(\mathrm{CH_3COOH}\)): Contains a carbonyl group bonded to a hydroxyl group (-OH), which defines a carboxylic acid, not a ketone.
4. Acetaldehyde (\(\mathrm{CH_3CHO}\)): Contains a carbonyl group bonded to one carbon and one hydrogen, characteristic of an aldehyde, not a ketone.
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