Textbook Question
Identify each of the following compounds as an aldehyde or a ketone:
a.
Ch.12 Alcohols, Thiols, Ethers, Aldehydes, and Ketones
Timberlake14th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249
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Table of contents
- Ch.1 Chemistry in Our Lives19
- Ch.2 Chemistry and Measurements80
- Ch.3 Matter and Energy53
- Ch.4 Atoms and Elements58
- Ch.5 Nuclear Chemistry42
- Ch.6 Ionic and Molecular Compounds57
- Ch.7 Chemical Quantities and Reactions38
- Ch.8 Gases30
- Ch.9 Solutions50
- Ch.10 Acids and Bases and Equilibrium64
- Ch.11 Introduction to Organic Chemistry: Hydrocarbons77
- Ch.12 Alcohols, Thiols, Ethers, Aldehydes, and Ketones82
- Ch.13 Carbohydrates54
- Ch.14 Carboxylic Acids, Esters, Amines, and Amides91
- Ch.15 Lipids61
- Ch.16 Amino Acids, Proteins, and Enzymes84
- Ch.17 Nucleic Acids and Protein Synthesis86
- Ch.18 Metabolic Pathways and ATP Production73
Timberlake14th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249Not the one you use?Change textbook
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Timberlake 14th EditionCh.12 Alcohols, Thiols, Ethers, Aldehydes, and KetonesProblem 15b
Timberlake 14th EditionCh.12 Alcohols, Thiols, Ethers, Aldehydes, and KetonesProblem 15bChapter 12, Problem 15b
Identify each of the following compounds as an aldehyde or a ketone:
c. 
Verified step by step guidance1
Step 1: Understand the structural difference between aldehydes and ketones. Aldehydes have a carbonyl group (C=O) bonded to at least one hydrogen atom, while ketones have a carbonyl group bonded to two carbon atoms.
Step 2: Examine the structure of the compound in the provided image. Locate the carbonyl group (C=O) in the molecule.
Step 3: Determine the atoms directly bonded to the carbonyl carbon. Check if one of the bonds is to a hydrogen atom (indicating an aldehyde) or if both bonds are to carbon atoms (indicating a ketone).
Step 4: If the carbonyl carbon is bonded to a hydrogen atom, classify the compound as an aldehyde. If it is bonded to two carbon atoms, classify it as a ketone.
Step 5: Based on the analysis, identify the compound as either an aldehyde or a ketone and ensure the classification aligns with the structural features observed.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Aldehydes
Aldehydes are organic compounds characterized by the presence of a carbonyl group (C=O) at the end of a carbon chain. This functional group is bonded to at least one hydrogen atom, which distinguishes aldehydes from ketones. Common examples include formaldehyde and acetaldehyde, and they typically have distinctive odors and are used in various chemical reactions.
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Ketones
Ketones are organic compounds that contain a carbonyl group (C=O) located within the carbon chain, meaning it is flanked by two carbon atoms. This structural feature differentiates ketones from aldehydes. Acetone and butanone are common examples of ketones, and they are often used as solvents and in the production of various chemicals.
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Functional Groups
Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules. In the context of aldehydes and ketones, the carbonyl group is the key functional group that defines their chemical behavior and properties. Understanding functional groups is essential for identifying and classifying organic compounds.
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Related Practice
Textbook Question
Classify each of the following alcohols as primary (1°), secondary (2°), or tertiary (3°):
c.
Textbook Question
Identify each of the following compounds as an aldehyde or a ketone:
d.
Textbook Question
Give an explanation for each of the following observations:
b. 1-Propanol is soluble in water, but ethyl methyl ether is only slightly soluble.
Textbook Question
Are each of the following soluble, slightly soluble, or insoluble in water? Explain.
a. CH3—CH2—CH2—OH
Textbook Question
Identify each of the following compounds as an aldehyde or a ketone:
d.