Textbook Question
Of the compounds you named in Problem 45:
b. Which is the least stable?
a.
b.
c.
d.
e.
f.
2
views
Ch. 5 - Alkenes: Structure, Nomenclature, and an Introduction to Reactivity • Thermodynamics and Kinetics
Bruice8th EditionOrganic ChemistryISBN: 9780135213711
Not the one you use?Change textbookSelect a different textbook
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
All textbooks
Bruice 8th EditionCh. 5 - Alkenes: Structure, Nomenclature, and an Introduction to Reactivity • Thermodynamics and KineticsProblem 46a
Bruice 8th EditionCh. 5 - Alkenes: Structure, Nomenclature, and an Introduction to Reactivity • Thermodynamics and KineticsProblem 46aChapter 6, Problem 46a
Of the compounds you named in Problem 45:
a. Which is the most stable?
a. 
b. 
c. 
d. 
e. 
f. 
Verified step by step guidance1
Step 1: Analyze the stability of each compound based on structural features such as branching, conjugation, and functional groups. Stability is often influenced by factors like hyperconjugation, resonance, and steric hindrance.
Step 2: For alkenes, evaluate the degree of substitution around the double bond. More substituted alkenes are generally more stable due to hyperconjugation and inductive effects.
Step 3: For compounds with functional groups like halogens or carbonyls, consider the electronic effects (e.g., inductive or resonance effects) that stabilize or destabilize the molecule.
Step 4: Compare the branching in alkyl chains. Highly branched alkanes are typically more stable due to reduced steric strain and increased van der Waals interactions.
Step 5: Rank the compounds based on the above factors to determine which is the most stable. Consider resonance stabilization, hyperconjugation, and steric effects collectively.
Verified video answer for a similar problem:
This video solution was recommended by our tutors as helpful for the problem above.
Video duration:
2mWas this helpful?
Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Stability of Organic Compounds
The stability of organic compounds is influenced by factors such as steric hindrance, electronic effects, and resonance. Compounds with lower steric strain and favorable electronic interactions tend to be more stable. Understanding these factors helps predict which compound will be the most stable among a set of options.
Recommended video:
Guided course
05:58
Determining Carbocation Stability
Steric Hindrance
Steric hindrance refers to the repulsion between bulky groups within a molecule, which can affect its stability and reactivity. Compounds with less steric hindrance are generally more stable, as they experience fewer spatial conflicts. Analyzing the molecular structure can reveal areas of steric strain that may impact stability.
Recommended video:
Guided course
02:53Understanding steric effects.
Resonance Stabilization
Resonance stabilization occurs when a molecule can be represented by multiple valid Lewis structures, allowing for the delocalization of electrons. This delocalization can lower the overall energy of the molecule, enhancing its stability. Identifying resonance structures is crucial for determining the most stable compound in a given set.
Recommended video:
Guided course
03:43The radical stability trend.
Related Practice
Textbook Question
a. Which is the most stable: 3,4-dimethyl-2-hexene, 2,3-dimethyl-2-hexene, or 4,5-dimethyl-2-hexene?
b. Which compound has the largest heat of hydrogenation?
c. Which compound has the smallest heat of hydrogenation?
1
views
Textbook Question
Name the following:
d.
e.
f.
4
views
Textbook Question
Draw the skeletal structure of 3,3-dimethyl-7-(1-methylethyl)-6-(1-methylpropyl)decane.
Textbook Question
Name the following:
b.
1
views
Textbook Question
Name the following:
c.
1
views