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3. Circle the stronger acid between each of the following pairs of carboxylic acids. F HO or H. он он HO or Br он or он or он но он но

3. Circle the stronger acid between each of the following pairs of carboxylic acids. F HO or H. он он HO or Br он or он or он но он но

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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### Acid Strength Comparison of Carboxylic Acids **Instructions:** Circle the stronger acid between each of the following pairs of carboxylic acids. **Chemical Pairs for Comparison:** 1. **First Pair:** - A carboxylic acid with a fluorine atom (F) attached to the carbon adjacent to the carboxyl group (COOH). - A carboxylic acid with a bromine atom (Br) attached to the carbon adjacent to the carboxyl group (COOH). 2. **Second Pair:** - A carboxylic acid with two carbon atoms (ethanoic acid). - A carboxylic acid with a hydroxyl group (OH) attached to the carbon adjacent to the carboxyl group (formic acid). 3. **Third Pair:** - Benzoic acid, wherein the carboxyl group is attached directly to a benzene ring. - A carboxylic acid where the benzene ring has an additional hydroxyl group (OH) attached to it. 4. **Fourth Pair:** - A carboxylic acid with two carboxyl groups (COOH) separated by two carbon atoms, where one of the carboxyl groups is ionized (−COO⁻). - A carboxylic acid with two carboxyl groups (COOH) adjacent to each other on a benzene ring. **Graphical Representation Explanation:** - **First Pair:** Each compound is represented with molecular diagrams showcasing the position of F and Br atoms with respect to the COOH group. - **Second Pair:** The structure of ethanoic acid and formic acid, where one has an additional hydroxyl group influencing its acidic strength. - **Third Pair:** Illustrates benzoic acid and another similar molecule with an added hydroxyl group on the benzene ring, aiding the comparison of acidity via resonance and inductive effects. - **Fourth Pair:** Diagrams of multi-carboxyl complexes showing single and ionized forms of di-carboxylic acids. **Educational Note:** The strength of carboxylic acids can be influenced by factors such as inductive effects, resonance stabilization, the presence of electronegative atoms, and molecular structure. Comparing these pairs helps in understanding these influences on acid strengths.
Transcribed Image Text:### Acid Strength Comparison of Carboxylic Acids **Instructions:** Circle the stronger acid between each of the following pairs of carboxylic acids. **Chemical Pairs for Comparison:** 1. **First Pair:** - A carboxylic acid with a fluorine atom (F) attached to the carbon adjacent to the carboxyl group (COOH). - A carboxylic acid with a bromine atom (Br) attached to the carbon adjacent to the carboxyl group (COOH). 2. **Second Pair:** - A carboxylic acid with two carbon atoms (ethanoic acid). - A carboxylic acid with a hydroxyl group (OH) attached to the carbon adjacent to the carboxyl group (formic acid). 3. **Third Pair:** - Benzoic acid, wherein the carboxyl group is attached directly to a benzene ring. - A carboxylic acid where the benzene ring has an additional hydroxyl group (OH) attached to it. 4. **Fourth Pair:** - A carboxylic acid with two carboxyl groups (COOH) separated by two carbon atoms, where one of the carboxyl groups is ionized (−COO⁻). - A carboxylic acid with two carboxyl groups (COOH) adjacent to each other on a benzene ring. **Graphical Representation Explanation:** - **First Pair:** Each compound is represented with molecular diagrams showcasing the position of F and Br atoms with respect to the COOH group. - **Second Pair:** The structure of ethanoic acid and formic acid, where one has an additional hydroxyl group influencing its acidic strength. - **Third Pair:** Illustrates benzoic acid and another similar molecule with an added hydroxyl group on the benzene ring, aiding the comparison of acidity via resonance and inductive effects. - **Fourth Pair:** Diagrams of multi-carboxyl complexes showing single and ionized forms of di-carboxylic acids. **Educational Note:** The strength of carboxylic acids can be influenced by factors such as inductive effects, resonance stabilization, the presence of electronegative atoms, and molecular structure. Comparing these pairs helps in understanding these influences on acid strengths.
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