Textbook Question
Fill in the missing organic product or reactant for the following hydration reactions:
(b)
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Ch.5 Chemical Reactions
Frost4th EditionGeneral, Organic and Biological ChemistryISBN: 9780134988696
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Table of contents
- Ch.4 Introduction to Organic Compounds75
- Ch.5 Chemical Reactions19
- Ch.6 Carbohydrates Life's Sweet Molecules62
- Ch.7 States of Matter and Their Attractive Forces8
- Ch.8 Solution Chemistry Sugar and Water Do Mix4
- Ch.10 Proteins Workers of the Cell89
- Ch.11 Nucleic Acids Big Molecules with a Big Role69
- Ch.12 Food as Fuel An Overview of Metabolism65
Frost4th EditionGeneral, Organic and Biological ChemistryISBN: 9780134988696Not the one you use?Change textbook
Chapter 2, Problem 72c
Fill in the missing organic products for the complete hydrogenation of the following:
(c) 
Verified step by step guidance1
Identify the type of organic compound in the given image. For complete hydrogenation, the compound is likely an alkene or alkyne, as these undergo hydrogenation reactions to form saturated hydrocarbons.
Understand the process of complete hydrogenation. In this reaction, hydrogen (H₂) is added across the double or triple bonds of the compound in the presence of a catalyst, such as platinum (Pt), palladium (Pd), or nickel (Ni).
Determine the structure of the product. For alkenes, the double bond is converted into a single bond, and two hydrogen atoms are added to the carbon atoms that were part of the double bond. For alkynes, the triple bond is fully reduced to a single bond, with four hydrogen atoms added in total.
Write the balanced chemical equation for the reaction. Represent the reactant (the given compound), the hydrogen gas (H₂), and the catalyst, and show the resulting saturated hydrocarbon product.
Verify the product's structure. Ensure that all double or triple bonds in the original compound have been fully reduced and that the resulting product is a saturated hydrocarbon (alkane).
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Hydrogenation
Hydrogenation is a chemical reaction that involves the addition of hydrogen (H2) to unsaturated organic compounds, typically alkenes or alkynes, converting them into saturated hydrocarbons. This process is commonly used in the food industry to convert liquid vegetable oils into solid fats, as well as in the production of various chemicals. Understanding the mechanism of hydrogenation, including the role of catalysts, is essential for predicting the products formed.
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Saturation of Organic Compounds
Saturation refers to the presence of single bonds between carbon atoms in organic compounds, as opposed to double or triple bonds found in unsaturated compounds. When an unsaturated compound undergoes hydrogenation, it becomes saturated, meaning it can hold more hydrogen atoms. Recognizing the difference between saturated and unsaturated compounds is crucial for determining the final products of hydrogenation reactions.
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Reaction Mechanism
A reaction mechanism describes the step-by-step sequence of elementary reactions by which overall chemical change occurs. In the case of hydrogenation, understanding the mechanism helps in predicting the formation of specific products and the conditions required for the reaction. This includes the role of catalysts, the nature of the reactants, and the reaction environment, which all influence the efficiency and outcome of the hydrogenation process.
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Related Practice
Textbook Question
Fill in the missing organic products or reactants for the following hydrogenation reactions:
(a)
639
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Textbook Question
Epinephrine is the active ingredient in the EpiPen® used to treat severe allergic reactions. EpiPens expire due to the oxidation of the epinephrine. One of these reactions is shown below. Circle the groups in the product that were oxidized.
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Textbook Question
Fill in the missing organic products for the complete hydrogenation of the following:
(a)
567
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Textbook Question
Fill in the missing organic product or reactant for the following hydration reactions:
(a)
676
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Textbook Question
Fill in the missing organic product or reactant for the following hydration reactions:
(b)
742
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