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The boiling point of propanol is 97 °C ,much higher than that of either ethanethiol (37 °C) or chloroethane (13 °C) , even though all three compounds have similar MWs. Explain.
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Ch.14 Some Compounds with Oxygen, Sulfur, or a Halogen
McMurry8th EditionFundamentals of General, Organic, and Biological ChemistryISBN: 9780134015187
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TOC.tableOfContents
- Ch.1 Matter and Measurements27
- Ch.2 Atoms and the Periodic Table20
- Ch.3 Ionic Compounds8
- Ch.4 Molecular Compounds23
- Ch.5 Classification & Balancing of Chemical Reactions12
- Ch.6 Chemical Reactions: Mole and Mass Relationships28
- Ch.7 Chemical Reactions: Energy, Rate and Equilibrium64
- Ch.8 Gases, Liquids and Solids24
- Ch.9 Solutions52
- Ch.10 Acids and Bases25
- Ch.11 Nuclear Chemistry22
- Ch.12 Introduction to Organic Chemistry: Alkanes57
- Ch.13 Alkenes, Alkynes, and Aromatic Compounds47
- Ch.14 Some Compounds with Oxygen, Sulfur, or a Halogen50
- Ch.15 Aldehydes and Ketones45
- Ch.16 Amines42
- Ch.17 Carboxylic Acids and Their Derivatives57
- Ch.18 Amino Acids and Proteins82
- Ch.19 Enzymes and Vitamins63
- Ch.20 Carbohydrates44
- Ch.21 The Generation of Biochemical Energy65
- Ch.22 Carbohydrate Metabolism45
- Ch.23 Lipids42
- Ch.24 Lipid Metabolism33
- Ch.25 Protein and Amino Acid Metabolism24
- Ch.26 Nucleic Acids and Protein Synthesis45
McMurry8th EditionFundamentals of General, Organic, and Biological ChemistryISBN: 9780134015187Non è quello che usi tu?Cambia libro di testo
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McMurry 8th EditionCh.14 Some Compounds with Oxygen, Sulfur, or a HalogenProblema 49
McMurry 8th EditionCh.14 Some Compounds with Oxygen, Sulfur, or a HalogenProblema 49Capitolo 14, Problema 49
What alcohols would you oxidize to obtain the following carbonyl compounds?
a. 
b. 
c. 
Guida verificata passo dopo passo1
Step 1: Understand the oxidation process of alcohols. Primary alcohols oxidize to form aldehydes, and with further oxidation, they can form carboxylic acids. Secondary alcohols oxidize to form ketones. Tertiary alcohols generally do not undergo oxidation under normal conditions.
Step 2: Analyze the given carbonyl compounds in the problem. Determine whether each compound is an aldehyde or a ketone based on its structure. Aldehydes have a carbonyl group (C=O) bonded to at least one hydrogen atom, while ketones have the carbonyl group bonded to two carbon atoms.
Step 3: For each carbonyl compound, identify the corresponding alcohol that would oxidize to produce it. If the compound is an aldehyde, the precursor is a primary alcohol. If it is a ketone, the precursor is a secondary alcohol.
Step 4: Write the structural formula of the alcohols that correspond to each carbonyl compound. Ensure that the oxidation process aligns with the functional group transformation (e.g., -OH to C=O).
Step 5: Verify your answers by considering the oxidation reaction mechanism and ensuring that the proposed alcohols can feasibly oxidize to form the given carbonyl compounds.
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Oxidation of Alcohols
Oxidation of alcohols involves the conversion of alcohols into carbonyl compounds, such as aldehydes and ketones, through the removal of hydrogen atoms. Primary alcohols typically oxidize to aldehydes, while secondary alcohols oxidize to ketones. The process can be facilitated by various oxidizing agents, such as potassium dichromate or PCC (pyridinium chlorochromate).
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1:49
Alcohol Reactions: Oxidation Concept 1
Types of Alcohols
Alcohols are classified into three categories: primary, secondary, and tertiary. Primary alcohols have the hydroxyl group (-OH) attached to a carbon that is connected to only one other carbon, secondary alcohols are attached to two, and tertiary alcohols to three. This classification is crucial because it determines the product of oxidation; for instance, tertiary alcohols do not oxidize to carbonyl compounds under typical conditions.
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1:10Alcohol Classification Concept 2
Carbonyl Compounds
Carbonyl compounds are organic molecules that contain a carbon atom double-bonded to an oxygen atom (C=O). They include aldehydes and ketones, which differ in the placement of the carbonyl group; aldehydes have it at the end of the carbon chain, while ketones have it within the chain. Understanding the structure and reactivity of these compounds is essential for predicting the outcomes of oxidation reactions involving alcohols.
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1:09Carboxylic Acid Reactions Example 1
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Assume that you have samples of the following two compounds, both with formula C7H8O. Both compounds dissolve in ether, but only one of the two dissolves in aqueous NaOH. How could you use this information to distinguish between them?
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Domanda del libro di testo
Oxidation of a dithiol such as 2,5-hexanedithiol forms a six-membered ring containing a disulfide group as part of the ring. Draw the structure of this cyclic disulfide (Hint: Draw the starting compound in line structure format first).
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Domanda del libro di testo
Which of the following alcohols can undergo oxidation? Draw the line structure of the product expected for those that can. Assume an excess of oxidizing agent is present.
a.
b.
c.
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Domanda del libro di testo
The following alkenes can be prepared by dehydration of an appropriate alcohol. Show the structure of the alcohol in each case that would provide the alkene shown as the major product.
e. 1,4-Pentadiene
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