Textbook Question
What alkene could you use to make the following products? Draw the structure of the alkene, and tell what other reagent is also required for the reaction to occur.
c.
Ch.13 Alkenes, Alkynes, and Aromatic Compounds
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 13, Problem 60d
What alkene could you use to make the following products? Draw the structure of the alkene, and tell what other reagent is also required for the reaction to occur.
d. 
Verified step by step guidance1
Analyze the given product structure and identify the functional groups present. This will help determine the type of reaction that occurred to form the product.
Recall that alkenes undergo addition reactions with specific reagents to form products. Common addition reactions include hydrogenation, halogenation, hydrohalogenation, and hydration. Match the functional groups in the product to the possible addition reaction.
Determine the structure of the alkene by reversing the addition reaction. For example, if the product contains an alcohol group (-OH), the reaction might have been hydration, and the alkene would have had a double bond where the -OH group is now attached.
Identify the reagent required for the reaction. For hydration reactions, water (H₂O) and an acid catalyst (such as H₂SO₄) are typically used. For halogenation, halogens like Cl₂ or Br₂ are used. Match the reagent to the functional group added in the product.
Draw the structure of the alkene and ensure it aligns with the reverse reaction mechanism. Verify that the addition of the reagent to the alkene would yield the given product.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Alkenes
Alkenes are hydrocarbons that contain at least one carbon-carbon double bond (C=C). They are unsaturated compounds, meaning they have fewer hydrogen atoms than alkanes with the same number of carbon atoms. Alkenes are reactive and can undergo various chemical reactions, including addition reactions, where other atoms or groups are added across the double bond.
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Naming Alkenes Example 1
Addition Reactions
Addition reactions are a type of chemical reaction where two or more reactants combine to form a single product. In the context of alkenes, these reactions often involve the addition of halogens, hydrogen, or water across the double bond. Understanding the specific conditions and reagents required for these reactions is crucial for predicting the products formed from a given alkene.
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Reagents
Reagents are substances that are added to a chemical reaction to cause a change or to facilitate the reaction. In the case of alkenes, common reagents include hydrogen (for hydrogenation), halogens (for halogenation), and acids (for hydration). Identifying the correct reagent is essential for determining the products of the reaction and understanding the mechanism involved.
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Related Practice
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Identify the type of reaction for the following:
a.
b.
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Textbook Question
2,2,3,3-Tetrabromopentane can be prepared by an addition reaction of excess Br2 with an alkyne. Draw the structure of the alkyne and name it.
Textbook Question
1-Pentyne reacts with HBr in a 1:1 molar ratio to yield two different addition products, both being bromopentenes and having the chemical formula C5H9Br. Draw the structures of two possible products.
Textbook Question
What alkene could you use to make the following products? Draw the structure of the alkene, and tell what other reagent is also required for the reaction to occur.
a.