Ch. 1 - A Review of General ChemistryWorksheetSee all chapters
All Chapters
Ch. 1 - A Review of General Chemistry
Ch. 2 - Molecular Representations
Ch. 3 - Acids and Bases
Ch. 4 - Alkanes and Cycloalkanes
Ch. 5 - Chirality
Ch. 6 - Thermodynamics and Kinetics
Ch. 7 - Substitution Reactions
Ch. 8 - Elimination Reactions
Ch. 9 - Alkenes and Alkynes
Ch. 10 - Addition Reactions
Ch. 11 - Radical Reactions
Ch. 12 - Alcohols, Ethers, Epoxides and Thiols
Ch. 13 - Alcohols and Carbonyl Compounds
Ch. 14 - Synthetic Techniques
Ch. 15 - Analytical Techniques: IR, NMR, Mass Spect
Ch. 16 - Conjugated Systems
Ch. 17 - Aromaticity
Ch. 18 - Reactions of Aromatics: EAS and Beyond
Ch. 19 - Aldehydes and Ketones: Nucleophilic Addition
Ch. 20 - Carboxylic Acid Derivatives: NAS
Ch. 21 - Enolate Chemistry: Reactions at the Alpha-Carbon
Ch. 22 - Condensation Chemistry
Ch. 23 - Amines
Ch. 24 - Carbohydrates
Ch. 25 - Phenols
Ch. 26 - Amino Acids, Peptides, and Proteins

Solution: Use line-angle (skeletal) structures (showing all lone pairs present). A. Create the electron arrows needed to arrive at the other resonance structures for the following molecules. B. Construct the new resonance structure produced by that shift in electrons. C. Classify each of them as major, minor, or equal contributors to the resonance hybrid. 

Solution: Use line-angle (skeletal) structures (showing all lone pairs present). A. Create the electron arrows needed to arrive at the other resonance structures for the following molecules. B. Construct the ne

Problem

Use line-angle (skeletal) structures (showing all lone pairs present). 

A. Create the electron arrows needed to arrive at the other resonance structures for the following molecules. 

B. Construct the new resonance structure produced by that shift in electrons. 

C. Classify each of them as major, minor, or equal contributors to the resonance hybrid.

 

Solution

We’re being to classify the additional resonance structures as major, minor, or equal contributors to the resonance hybrid. The given structure is:



Recall that resonance involves the movement of pi electrons in a molecule. For this problem, we need to do the following steps:

Step 1: Create electron arrows and draw additional resonance structures.

Step 2: Classify each resonance structure as major, minor, or equal contributors.


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