Textbook Question
Would chlorination or bromination produce a greater yield of 1-halo-2,3-dimethylbutane?
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Ch. 12 - Radicals
Bruice8th EditionOrganic ChemistryISBN: 9780135213711
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Table of contents
- Ch. 1 - Remembering General Chemistry: Electronic Structure and Bonding (Part 1)31
- Ch. 1 - Remembering General Chemistry: Electronic Structure and Bonding (Part 2)65
- Ch. 2 - Acids and Bases: Central to Understanding Organic Chemistry84
- Ch. 3 - An Introduction to Organic Compounds:Nomenclature, Physical Properties, and Structure183
- Ch. 4 - Isomers: The Arrangement of Atoms in Space121
- Ch. 5 - Alkenes: Structure, Nomenclature, and an Introduction to Reactivity • Thermodynamics and Kinetics83
- Ch. 6 - The Reactions of Alkenes • The Stereochemistry of Addition Reactions175
- Ch. 7 - The Reactions of Alkynes • An Introduction to Multistep Synthesis119
- Ch. 8 - Delocalized Electrons: Their Effect on Stability, pKa, and the Products of a Reaction • Aromaticity and Electronic Effects: An Introduction to the Reactions of Benzene148
- Ch. 9 - Substitution and Elimination Reactions of Alkyl Halides212
- Ch. 10 - Reactions of Alcohols, Ethers, Epoxides, Amines, and Sulfur-Containing Compounds131
- Ch. 11 - Organometallic Compounds60
- Ch. 12 - Radicals90
- Ch. 13 - Mass Spectrometry; Infrared Spectroscopy; UV/Vis Spectroscopy62
- Ch. 14 - NMR Spectroscopy95
- Ch. 15 - Reactions of Carboxylic Acids and Carboxylic Acid Derivatives123
- Ch. 16 - Reactions of Aldehydes and Ketones • More Reactions of Carboxylic Acid Derivatives141
- Ch. 17 - Reactions at the Alpha-Carbon101
- Ch. 18 - Reactions of Benzene and Substituted Benzenes144
- Ch. 19 - More About Amines • Reactions of Heterocyclic Compounds49
- Ch. 20 - The Organic Chemistry of Carbohydrates80
- Ch. 21 - Amino Acids, Peptides, and Proteins57
- Ch. 22 - Catalysis in Organic Reactions and in Enzymatic Reactions35
- Ch. 23 - The Organic Chemistry of the Coenzymes—Compounds Derived from Vitamins1
- Ch. 28 - Pericyclic Reactions58
Chapter 13, Problem 6h
How many alkyl halides are obtained from monochlorination of the alkanes in Problem 4 if stereoisomers are included?
h. 
Verified step by step guidance1
Identify the structure of the alkane provided in the image. The structure is 2-methylbutane, which is a branched alkane.
Determine the unique types of hydrogen atoms in the molecule. In 2-methylbutane, there are primary hydrogens (on the terminal CH3 groups), secondary hydrogens (on the CH2 group), and tertiary hydrogens (on the CH group attached to the methyl group).
Consider monochlorination, which involves replacing one hydrogen atom with a chlorine atom. Each unique type of hydrogen will lead to a different alkyl halide product.
Account for stereoisomers. If the chlorination occurs at a chiral center (such as the tertiary carbon), stereoisomers will be formed due to the creation of a new chiral center.
Count all possible products, including structural isomers and stereoisomers, to determine the total number of alkyl halides obtained from monochlorination of 2-methylbutane.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Alkyl Halides
Alkyl halides are organic compounds derived from alkanes by replacing one or more hydrogen atoms with halogen atoms (F, Cl, Br, I). They are classified based on the number of carbon atoms attached to the carbon bearing the halogen, leading to primary, secondary, and tertiary alkyl halides. Understanding their structure is crucial for predicting their reactivity and the types of products formed during reactions such as halogenation.
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How to name alkyl halides
Monochlorination
Monochlorination refers to the substitution reaction where one hydrogen atom in an alkane is replaced by a chlorine atom, typically through a free radical mechanism. This process can yield multiple products due to the presence of different hydrogen atoms in the alkane, leading to various alkyl halides. The regioselectivity of the reaction is influenced by the stability of the resulting radicals, which is essential for determining the distribution of products.
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04:37Draw all of the monochlorination products and calculate percentage yields.
Stereoisomerism
Stereoisomerism occurs when compounds have the same molecular formula and connectivity but differ in the spatial arrangement of atoms. In the context of alkyl halides, monochlorination can produce stereoisomers if the carbon atom to which the chlorine is attached is chiral. Recognizing and counting these stereoisomers is important for understanding the full range of products formed in reactions involving chiral centers.
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01:58Determining when molecules are stereoisomers.
Related Practice
Textbook Question
How many alkyl halides are obtained from monochlorination of the alkanes in Problem 4 if stereoisomers are included?
f.
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Textbook Question
What is the anticipated percent yield of the major product?
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Textbook Question
What is the major product of the reaction in Problem 7 when the alkane reacts with Cl2 instead of with Br2? Disregard stereoisomers.
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Textbook Question
How many alkyl halides are obtained from monochlorination of the alkanes in Problem 4 if stereoisomers are included?
e.
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Textbook Question
How many alkyl halides are obtained from monochlorination of the alkanes in Problem 4 if stereoisomers are included?
g.
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