About This Chapter
Alkenes & Double Bonds - Chapter Summary
You can work at your own pace as you study subjects related to alkenes and double bonds in this chapter. Just a few of the subjects covered here include using IUPAC nomenclature to name alkenes, factors affecting the stability of alkenes and the E2 elimination and mechanism reaction. Each lesson is accompanied by a self-assessment quiz for quick review and to ensure you comprehend what you've learned. If at any time you need help, reach out to one of our experts through the Dashboard. By the end of this chapter you should be able to do the following:
- Discuss the mechanism of acid-catalyzed dehydration of alcohols
- Define electrophile with examples
- Outline the addition reaction of alkenes
- Explain acid catalyzed hydration
- Identify the anti-Markovnikov addition to alkenes and hydroboration-oxidation
- Differentiate between oxymercuration and alkoxymercuration
- Describe the structure and properties of ozone
- Explain catalytic hydrogenation of alkenes
- Outline the polymerization of alkenes
- Provide examples of syn and anti addition in stereochemistry
1. Naming Alkenes Using IUPAC Nomenclature
In this lesson we'll be learning about IUPAC nomenclature. We'll go over the basic alkenes and explain how organic functional group priorities are assigned. We'll also include how to use cis and trans and E and Z definitions.
2. Stability of Alkenes: Factors & Examples
In this lesson, we'll be learning about the factors that help determine alkene stability. We'll go over substitution, orientation, and conjugation, and discuss Zaitsev and Hofmann products.
3. E2 Elimination & Mechanism Reaction: Definition & Examples
This lesson focuses on one of the more important reactions in organic chemistry: E2. We'll look at some examples, zoom in for a closer look at the mechanism, then explore some of the stereochemical features of the reaction.
4. Acid-Catalyzed Dehydration of Alcohols: Reaction & Mechanism
This lesson will focus on the detailed mechanism behind how organic alcohols undergo a dehydration reaction in the presence of an acid to produce alkenes.
5. Electrophile: Definition & Examples
Electrophilic atoms or molecules are on a constant hunt for electron pairs. Discover what an electrophile is, its role in electrophilic addition, and examples of electrophiles. Test your electrophile expertise by taking a quiz at the end of the lesson.
6. Addition Reactions of Alkenes
There are several different types of reactions in organic chemistry. This lesson will focus on the addition reactions of alkenes. We'll give step by step examples so you understand why atoms move where they do.
7. What is Acid Catalyzed Hydration?
Acid catalyzed hydration reactions are very useful at removing double and triple bonds in the presence of an acid catalyst. Continue reading to learn more about and recognize the steps required to perform this reaction.
8. Anti-Markovnikov Addition to Alkenes & Hydroboration-Oxidation
In this lesson, you'll examine the mechanism of reactions, such as the anti-markovnikov and hydroboration-oxidation reactions, to learn where atoms will be added to an alkene.
9. Alkoxymercuration vs. Oxymercuration
Ethers and alcohols are used for a variety of purposes, and there are several different methods to form ethers and alcohols. In this lesson we will learn about alkoxymercuration and oxymercuration.
10. Ozone: Formula, Structure & Properties
Ozone is not solely formed in the earth's atmosphere. It can also be prepared and generated in the laboratory. Use this lesson to discover why a scientist might be interested in creating and using ozone. Also, learn about the structure, formula, and properties of ozone.
11. Catalytic Hydrogenation of Alkenes: Mechanism & Explanation
Alkenes undergo addition reactions with hydrogen under certain conditions. This lesson will walk you through the mechanism behind hydrogenation of alkenes.
12. Polymerization of Alkenes
In this lesson we will discuss how addition polymers are formed. We will look into the formation, properties and uses of poly(ethene) and poly(propene).
13. Syn & Anti Addition in Stereochemistry: Mechanism, Reactions & Examples
Addition reactions that don't include stereochemistry are oversimplified. In this lesson, we learn about syn and anti addition reactions and how they occur. We also look at enantiomer reactions.
14. Reactions of Alkenes Practice Problems
In this lesson, we'll be learning how to solve problems that involve reactions of alkenes. We'll go over sample problems for the main type of reaction alkenes are involved in, addition reactions.
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