Textbook Question
The liquids 1-butanol and butanal have similar molar masses. Which is expected to have the higher boiling point? Explain your choices.
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Ch.15 Aldehydes and Ketones
McMurry8th EditionFundamentals of General, Organic, and Biological ChemistryISBN: 9780134015187
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Table of contents
- 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: 9780134015187Not the one you use?Change textbook
Chapter 15, Problem 56c
Draw the structural formulas of the following compounds:
c. 2-Methoxy-2-methylpropane
Verified step by step guidance1
Identify the parent chain: The parent chain is 'propane,' which indicates a three-carbon alkane backbone (C3H8).
Locate the substituents: The name '2-methoxy-2-methylpropane' indicates two substituents on the second carbon of the propane chain: a methoxy group (-OCH3) and a methyl group (-CH3).
Draw the parent chain: Start by drawing a straight chain of three carbon atoms (C-C-C) to represent propane.
Attach the substituents: On the second carbon of the propane chain, attach the methoxy group (-OCH3) and the methyl group (-CH3). Ensure that the carbon has a total of four bonds, as required by the octet rule.
Complete the structure: Add hydrogen atoms to the remaining bonds of the carbon atoms to satisfy the octet rule for each carbon. Verify that the structure matches the molecular formula C5H12O.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Structural Formula
A structural formula represents the arrangement of atoms within a molecule, showing how the atoms are bonded to each other. It provides insight into the molecular geometry and functional groups present, which are crucial for understanding the compound's chemical behavior and properties.
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Structural Formula Concept 2
IUPAC Nomenclature
IUPAC nomenclature is a systematic method for naming chemical compounds based on their structure and functional groups. Understanding the rules of IUPAC naming helps in identifying the components of a compound, such as substituents and the main carbon chain, which is essential for accurately drawing its structural formula.
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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 case of 2-Methoxy-2-methylpropane, the methoxy group (-OCH3) is a key functional group that influences the compound's reactivity and properties, making it important to consider when drawing its structure.
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Related Practice
Textbook Question
Draw all the ketones you can with a chemical formula of C8H16O whose longest chain is eight carbons. Name each using both its IUPAC and common name.
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Textbook Question
Can the alcohol (CH3)3COH be formed by the reduction of an aldehyde or ketone? Why or why not?
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Textbook Question
The compound carvone is responsible for the odor of spearmint. Identify the functional groups in carvone.
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Textbook Question
In Problem 15.24, you were given the structure of the free aldehyde form of glucose. Try to draw the two cyclic hemiacetal forms of glucose you would get if (a) the OH on C4 formed the ring and (b) the OH on C3 formed the ring.
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Textbook Question
Many flavorings and perfumes are partially based on fragrant ketones, with far fewer being based on fragrant aldehydes. Why do you think ketones are used more frequently than aldehydes? See Section 15.5 for a clue.
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