About This Chapter
Analysis of Organic Compounds - Chapter Summary
Complete this chapter's lessons to review a variety of methods and tools that are used to identify and analyze organic compounds. These short, simple and expertly taught lessons lay out the functions of mass spectrometry, infrared spectroscopy, nuclear magnetic resonance and more. You'll be able to get practice identifying organic molecules by taking the included lesson quizzes and chapter exam. Revisit the lessons as many times as needed, and don't hesitate to submit questions to our science experts if you need any extra help. The chapter is available online 24/7, which helps you study wherever and whenever it's convenient. By the end of the chapter, you should be able to:
- Explain how infrared spectroscopy can be used to identify molecules
- Find chemical formulas using mass spectrometry
- Read mass and infrared spectra of organic compounds
- Use mass and infrared spectroscopy to analyze alkyl and carbonyl groups
- Outline the nuclear magnetic resonance (NMR) spectroscopy procedure
- Differentiate between C-13 and 1H NMR
- Interpret NMR spectra of organic compounds
1. Analyzing Organic Compounds: Methods & Tools
In this lesson, we will be learning about the basics of how to use infrared spectroscopy, mass spectrometry, and nuclear magnetic resonance spectroscopy to analyze organic compounds.
2. Infrared Spectroscopy & Molecule Identification
In this lesson we will learn how to read the output from infrared (IR) spectroscopy and how to use it to help identify molecules. We will also learn how IR absorption relates to global warming.
3. Using Mass Spectrometry to Find Chemical Formulas
In this lesson, we discuss how to determine the chemical formula for a molecule from its mass spectrum when we know the precise mass of its molecular ion.
4. Mass Spectrometry & Infrared Spectroscopy: Alkyl & Carbonyl Groups
In this lesson, we discuss how mass spectrometry and infrared spectroscopy can be used to probe the structure of molecules containing alkyl and carbonyl groups.
5. Theory of NMR Spectroscopy: Procedure & Types
The preparation of NMR samples covers how to make the sample for an NMR instrument. In this lesson, you will learn what to do when you have trouble preparing a sample. You will also find what basic types of information you can expect from an NMR.
6. Nuclear Magnetic Resonance Spectroscopy: C-13 vs 1H
The primary purpose of this lesson will be to get a foundational understanding of C-13 and H-1 NMR and how they can provide valuable structural information about organic compounds.
7. How to Read NMR Spectra of Organic Compounds
This lesson describes how to read and interpret proton NMR spectra of organic compounds, including peak splitting, the meaning of chemical shift due to deshielding, as well as peak integration.
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