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Which of the following conjugate bases is correct? a. b. C. d. Acid H OH I OH Conjuate Base do OH

Which of the following conjugate bases is correct? a. b. C. d. Acid H OH I OH Conjuate Base do OH

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: Understanding Conjugate Bases in Acid-Base Chemistry **Question:** Which of the following conjugate bases is correct? **Options:** a. - **Acid:** A molecule with two ethyl groups attached to a positively charged oxygen (oxonium ion). - **Conjugate Base:** A molecule with two ethyl groups attached to a neutral oxygen atom (ether). b. - **Acid:** A carboxylic acid with a hydroxyl group (OH) attached to a carbonyl group (C=O). - **Conjugate Base:** A molecule resembling an ester, with the hydroxyl hydrogen replaced by an ethyl group. c. - **Acid:** A cyclohexyl group attached to a positively charged carbon atom. - **Conjugate Base:** A cyclohexene structure with a neutral carbon atom, double-bonded. d. - **Acid:** A benzoic acid, with a carboxyl group (COOH) attached to a benzene ring. - **Conjugate Base:** A benzoate ion with a negatively charged oxygen, illustrating the removal of the hydrogen ion. **Correct Answer: d** Explanation: In option d, the acid is benzoic acid, and its correct conjugate base is the benzoate ion. The hydrogen ion is removed from the hydroxyl group, resulting in a negatively charged oxygen. This accurately depicts the acid-base conjugation process where the conjugate base forms from the loss of a hydrogen ion from the acid.
Transcribed Image Text:Title: Understanding Conjugate Bases in Acid-Base Chemistry **Question:** Which of the following conjugate bases is correct? **Options:** a. - **Acid:** A molecule with two ethyl groups attached to a positively charged oxygen (oxonium ion). - **Conjugate Base:** A molecule with two ethyl groups attached to a neutral oxygen atom (ether). b. - **Acid:** A carboxylic acid with a hydroxyl group (OH) attached to a carbonyl group (C=O). - **Conjugate Base:** A molecule resembling an ester, with the hydroxyl hydrogen replaced by an ethyl group. c. - **Acid:** A cyclohexyl group attached to a positively charged carbon atom. - **Conjugate Base:** A cyclohexene structure with a neutral carbon atom, double-bonded. d. - **Acid:** A benzoic acid, with a carboxyl group (COOH) attached to a benzene ring. - **Conjugate Base:** A benzoate ion with a negatively charged oxygen, illustrating the removal of the hydrogen ion. **Correct Answer: d** Explanation: In option d, the acid is benzoic acid, and its correct conjugate base is the benzoate ion. The hydrogen ion is removed from the hydroxyl group, resulting in a negatively charged oxygen. This accurately depicts the acid-base conjugation process where the conjugate base forms from the loss of a hydrogen ion from the acid.
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