Table of contents

1. Matter and Measurements4h 31m
2. Atoms and the Periodic Table5h 23m
3. Ionic Compounds2h 18m
4. Molecular Compounds2h 18m
5. Classification & Balancing of Chemical Reactions3h 17m
6. Chemical Reactions & Quantities2h 27m
7. Energy, Rate and Equilibrium3h 46m
8. Gases, Liquids and Solids3h 25m
9. Solutions4h 10m
10. Acids and Bases3h 29m
11. Nuclear Chemistry56m
BONUS: Lab Techniques and Procedures1h 38m
BONUS: Mathematical Operations and Functions47m
12. Introduction to Organic Chemistry1h 34m
13. Alkenes, Alkynes, and Aromatic Compounds2h 12m
14. Compounds with Oxygen or Sulfur1h 6m
15. Aldehydes and Ketones1h 1m
16. Carboxylic Acids and Their Derivatives1h 11m
17. Amines39m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 41m
21. The Generation of Biochemical Energy2h 8m
22. Carbohydrate Metabolism2h 22m
23. Lipids2h 26m
24. Lipid Metabolism1h 45m
25. Protein and Amino Acid Metabolism1h 37m
26. Nucleic Acids and Protein Synthesis2h 54m

17. Amines

Classifying Amines

GOB Chemistry

17. Amines

Classifying Amines

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Problem 1c

Textbook Question

Identify the following compounds as primary, secondary, or tertiary amines.
c.

Verified step by step guidance

Examine the structure of each compound in the image and identify the nitrogen atom (N) in the amine group. Amines are organic compounds that contain a nitrogen atom bonded to one or more alkyl or aryl groups.

Determine the number of carbon-containing groups (alkyl or aryl groups) directly attached to the nitrogen atom. This will help classify the amine as primary, secondary, or tertiary.

Recall the definitions: A primary amine has one carbon-containing group attached to the nitrogen atom, a secondary amine has two, and a tertiary amine has three.

For each compound, count the number of carbon-containing groups attached to the nitrogen atom and classify it accordingly. For example, if the nitrogen is bonded to one carbon group and two hydrogens, it is a primary amine.

Repeat the process for all compounds in the image, ensuring you carefully analyze the bonding around the nitrogen atom to avoid misclassification.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Amines

Amines are organic compounds derived from ammonia (NH3) by replacing one or more hydrogen atoms with alkyl or aryl groups. They are classified based on the number of carbon-containing groups attached to the nitrogen atom. Understanding the structure of amines is crucial for identifying their classification as primary, secondary, or tertiary.

Primary, Secondary, and Tertiary Amines

Primary amines have one alkyl or aryl group attached to the nitrogen atom, secondary amines have two, and tertiary amines have three. This classification affects their chemical properties and reactivity. Recognizing the number of substituents on the nitrogen is essential for correctly identifying the type of amine.

Structural Representation

Structural representation of compounds, such as Lewis structures or condensed formulas, visually depicts the arrangement of atoms and bonds. This representation is vital for analyzing the molecular structure of amines, allowing one to determine the classification based on the connectivity of the nitrogen atom to carbon groups.