Textbook Question
Use oxidation numbers to determine whether the following are redox reactions.
(a)
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Ch. 13 - Alcohols, Ethers and Related Compounds: Substitution and Elimination
Mullins1st EditionOrganic Chemistry: A Learner Centered ApproachISBN: 9780137566471
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Table of contents
- Ch. 2 - General Chemistry Translated: Finding the Electrons114
- Ch. 3 - Alkanes and Cycloalkanes: Properties and Conformational Analysis109
- Ch. 4 - Acids and Bases: Electron Flow144
- Ch. 5 - Chemical Reaction Analysis: Thermodynamics and Kinetics118
- Ch. 6 - Stereoisomerism: Arrangement of Atoms in Space112
- Ch. 7 - Principles of Green (Organic) Chemistry3
- Ch. 8 - Alkenes I: Properties and Electrophilic Additions158
- Ch. 9 - Alkenes II: Oxidation and Reduction150
- Ch. 10 - Alkynes: Electrophilic Addition and Redox Reactions101
- Ch. 11 - Properties and Synthesis of Alkyl Halides: Radical Reactions108
- Ch. 12 - Substitution and Elimination: Reactions of Haloalkanes172
- Ch. 13 - Alcohols, Ethers and Related Compounds: Substitution and Elimination239
- Ch. 14 - Structural Identification I: Infrared Spectroscopy and Mass Spectrometry54
- Ch. 15 - Structural Identification II: Nuclear Magnetic Resonance Spectroscopy93
- Ch. 16 - Metals in Organic Chemistry48
- Ch. 17 - Carbonyl Addition Reactions: Aldehydes and Ketones45
- Ch. 18 - Nucleophilic Acyl Substitution I: Carboxylic Acids18
- Ch. 19 - Nucleophilic Acyl Substitution II: Carboxylic Acid Derivatives39
- Ch. 20 - Enolates: Carbonyl Addition and Substitution13
- Ch. 21 - Conjugated Systems I: Stability and Addition Reactions56
- Ch. 22 - Conjugated Systems II: Pericyclic Reactions54
- Ch. 23 - Benzene I: Aromatic Stability and Substitution Reactions64
- Ch. 24 - Benzene II: Reactions Influenced by the Aromatic Ring62
- Ch. 25 - Amines: Structure, Reactions, and Synthesis27
- Ch. 26 - Amino Acids, Proteins, and Peptide Synthesis9
- Ch. 27 - Carbohydrates, Nucleic Acids, and Lipids54
Mullins1st EditionOrganic Chemistry: A Learner Centered ApproachISBN: 9780137566471Not the one you use?Change textbook
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Mullins 1st EditionCh. 13 - Alcohols, Ethers and Related Compounds: Substitution and EliminationProblem 4b
Mullins 1st EditionCh. 13 - Alcohols, Ethers and Related Compounds: Substitution and EliminationProblem 4bChapter 12, Problem 4b
Use oxidation numbers to determine whether the following are redox reactions.
(b) 
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Identify the elements involved in the reaction and write down the chemical equation if provided.
Assign oxidation numbers to each atom in the reactants and products. Remember that oxidation numbers are a way of keeping track of electrons in atoms. For example, in a compound, the oxidation number of oxygen is typically -2, and hydrogen is +1.
Compare the oxidation numbers of each element in the reactants and products. Look for any changes in oxidation numbers, which indicate a transfer of electrons.
Determine if there is an increase in oxidation number for any element, which signifies oxidation, and a decrease in oxidation number for another element, which signifies reduction.
Conclude whether the reaction is a redox reaction based on the changes in oxidation numbers. If there is both oxidation and reduction occurring, it is a redox reaction.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Oxidation Numbers
Oxidation numbers are assigned to atoms in a molecule to indicate their degree of oxidation or reduction. They help track electron transfer in redox reactions. The rules for assigning oxidation numbers include assigning a value of zero to pure elements, using known oxidation states for common ions, and ensuring the sum of oxidation numbers equals the charge of the molecule or ion.
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03:40
Strong oxidizing agents
Redox Reactions
Redox reactions, or oxidation-reduction reactions, involve the transfer of electrons between two species. One species undergoes oxidation (loses electrons) while the other undergoes reduction (gains electrons). Identifying changes in oxidation numbers helps determine if a reaction is a redox process, as these changes indicate electron transfer.
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06:02General Features of Redox
Identifying Redox Reactions
To identify redox reactions using oxidation numbers, compare the oxidation numbers of each element in the reactants and products. A change in oxidation number for any element indicates a redox reaction. The element whose oxidation number increases is oxidized, and the one whose oxidation number decreases is reduced.
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Related Practice
Textbook Question
Provide the IUPAC name for the following molecules.
(a)
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Textbook Question
The mechanism of the acid-catalyzed hydration of an alkene to make an alcohol is shown. If this reaction is reversible, draw a mechanism that justifies formation of the alkene from the alcohol under similar conditions. How do you know this mechanism is correct?
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Textbook Question
Provide the IUPAC name for the following molecules.
(b)
1
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Textbook Question
Provide a mechanism for the following SN1 reaction. What roles (acid/base/nucleophile/electrophile) does ethanol play in the reaction? What functional group is made in this reaction?
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Textbook Question
Rank the ability of the following compounds to undergo an S_N1 reaction ( 1 = fastest, 5 = slowest ).