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For each of the molecules shown below, draw the acid dissociation reaction. If a conjugate base has resonance structures, draw all valid resonance structures. A H* + В H* + CF3 H. C H* + Identify the stronger acid in each of the pairs below; provide an explanation for each pair. A & B B & C A & C

For each of the molecules shown below, draw the acid dissociation reaction. If a conjugate base has resonance structures, draw all valid resonance structures. A H* + В H* + CF3 H. C H* + Identify the stronger acid in each of the pairs below; provide an explanation for each pair. A & B B & C A & C

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Title: Acid Dissociation Reactions and Comparing Acid Strengths** ### Acid Dissociation Reactions For the molecules shown below, draw the acid dissociation reaction. If a conjugate base features resonance structures, ensure all valid resonance structures are depicted. **Molecule A:** - Structure: A ketone with one hydrogen atom adjacent to the carbonyl. - Reaction: Write the dissociation with \( \text{H}^+ \) and the conjugate base. **Molecule B:** - Structure: A ketone with a trifluoromethyl (CF₃) group adjacent to the carbonyl. - Reaction: Write the dissociation with \( \text{H}^+ \) and the conjugate base. **Molecule C:** - Structure: A ketone with no additional groups other than hydrogen adjacent to the carbonyl. - Reaction: Write the dissociation with \( \text{H}^+ \) and the conjugate base. ### Acid Strength Comparison Identify the stronger acid in each of the pairs below and provide an explanation for each comparison. **A & B:** - Compare the acidity between molecules A and B. **B & C:** - Compare the acidity between molecules B and C. **A & C:** - Compare the acidity between molecules A and C. **Explanation Guidelines:** - Consider the influence of differing substituents on acidity and resonance stability of conjugate bases. - Discuss electron-withdrawing or electron-donating effects impacting acidity. This exercise aims to deepen understanding of how molecular structure influences acidity and resonance stabilization.
Transcribed Image Text:**Title: Acid Dissociation Reactions and Comparing Acid Strengths** ### Acid Dissociation Reactions For the molecules shown below, draw the acid dissociation reaction. If a conjugate base features resonance structures, ensure all valid resonance structures are depicted. **Molecule A:** - Structure: A ketone with one hydrogen atom adjacent to the carbonyl. - Reaction: Write the dissociation with \( \text{H}^+ \) and the conjugate base. **Molecule B:** - Structure: A ketone with a trifluoromethyl (CF₃) group adjacent to the carbonyl. - Reaction: Write the dissociation with \( \text{H}^+ \) and the conjugate base. **Molecule C:** - Structure: A ketone with no additional groups other than hydrogen adjacent to the carbonyl. - Reaction: Write the dissociation with \( \text{H}^+ \) and the conjugate base. ### Acid Strength Comparison Identify the stronger acid in each of the pairs below and provide an explanation for each comparison. **A & B:** - Compare the acidity between molecules A and B. **B & C:** - Compare the acidity between molecules B and C. **A & C:** - Compare the acidity between molecules A and C. **Explanation Guidelines:** - Consider the influence of differing substituents on acidity and resonance stability of conjugate bases. - Discuss electron-withdrawing or electron-donating effects impacting acidity. This exercise aims to deepen understanding of how molecular structure influences acidity and resonance stabilization.
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