Domanda del libro di testo
The structure of the amino acid lysine (in its uncharged form) is shown below.
b. Is lysine likely to be water-soluble? Explain.
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Ch.16 Amines
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
Capitolo 16, Problema 23a
a. For the compound above, identify each nitrogen as either a primary, secondary, tertiary, quaternary, or aromatic amine.
Guida verificata passo dopo passo1
Examine the structure of the compound and locate all nitrogen atoms. Identify how many groups (hydrogen or carbon chains) are directly attached to each nitrogen atom.
Recall the definitions of the different types of amines: (1) A primary amine has one alkyl or aryl group attached to the nitrogen atom, with two hydrogens. (2) A secondary amine has two alkyl or aryl groups attached to the nitrogen atom, with one hydrogen. (3) A tertiary amine has three alkyl or aryl groups attached to the nitrogen atom, with no hydrogens. (4) A quaternary amine has four alkyl or aryl groups attached to the nitrogen atom, carrying a positive charge. (5) An aromatic amine has the nitrogen atom directly attached to an aromatic ring, such as a benzene ring.
For each nitrogen atom in the compound, count the number of alkyl or aryl groups and hydrogens attached to it. Use the definitions from the previous step to classify each nitrogen.
If a nitrogen atom is part of an aromatic ring (e.g., directly bonded to a benzene ring), classify it as an aromatic amine.
Label each nitrogen in the compound with its appropriate classification (primary, secondary, tertiary, quaternary, or aromatic amine) based on the analysis from the previous steps.
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Amine Classification
Amines are classified based on the number of carbon groups attached to the nitrogen atom. Primary amines have one carbon group, secondary amines have two, tertiary amines have three, and quaternary amines have four carbon groups bonded to the nitrogen. Aromatic amines contain a nitrogen atom bonded to an aromatic ring, which influences their chemical properties.
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Percorso guidato
1:26
Amine Classification Concept 1
Structural Representation
Understanding the structural representation of compounds is crucial for identifying the type of amine. The structure typically includes the nitrogen atom and its connectivity to carbon atoms. Drawing or visualizing the molecular structure helps in determining the classification of each nitrogen in the compound.
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2:08Molecular Representations Concept 1
Chemical Properties of Amines
Amines exhibit distinct chemical properties based on their classification. For instance, primary and secondary amines can form hydrogen bonds, affecting their boiling points and solubility. Recognizing these properties aids in predicting the behavior of the amines in chemical reactions and their interactions with other substances.
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Percorso guidato
02:11Chemical Properties Example 1
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Write the structures of the following compounds:
a. Butyldiethylammonium bromide
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Explain what bonds must be made or broken and where the electrons go when the hydrogen-bonded water between the two amines shown on page 507 reacts to form an amine, ammonium ion, and OH⁻.
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Write the structure of benzylamine hydrochloride in two different ways, and name the hydrochloride as an ammonium salt.
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Which is the stronger base in each pair?
a. Ammonia or ethylamine
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Domanda del libro di testo
The structure of the amino acid lysine (in its uncharged form) is shown below.
a. Which amine groups would be able to participate in hydrogen bonding?
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