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Which of the following is the strongest acid (acidic hydrogen highlighted)? H. H H H.

Which of the following is the strongest acid (acidic hydrogen highlighted)? H. H H H.

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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**Question:** Which of the following is the strongest acid (acidic hydrogen highlighted)? **Compounds:** - **Compound A:** Cyclohexanol (a hexagonal ring with an -OH group and an acidic hydrogen atom attached). - **Compound B:** Phenol (a benzene ring with an -OH group and an acidic hydrogen atom attached). - **Compound C:** Cyclohexanone (a hexagonal ring with a ketone group =O and an acidic hydrogen atom attached). - **Compound D:** Cyclohexane carboxylic acid (a hexagonal ring with a carboxylic acid group and an acidic hydrogen atom attached). **Options:** - ☐ Compound B - ☐ Compound A - ☐ Compound D - ☐ Compound C **Explanation of the Compounds:** The compounds are based on a cyclic ring structure, with varying functional groups attached that influence their acidity. - **Compound A** has an alcohol group, which is weakly acidic. - **Compound B** contains a phenol group, which is more acidic due to resonance stabilization of the phenoxide ion. - **Compound C** has a carbonyl group, usually not contributing significantly to acidity. - **Compound D** includes a carboxylic acid, typically the most acidic due to resonance stabilization of the carboxylate ion. Understanding the acidity of these compounds requires considering the stabilization of the conjugate base formed upon deprotonation.
Transcribed Image Text:**Question:** Which of the following is the strongest acid (acidic hydrogen highlighted)? **Compounds:** - **Compound A:** Cyclohexanol (a hexagonal ring with an -OH group and an acidic hydrogen atom attached). - **Compound B:** Phenol (a benzene ring with an -OH group and an acidic hydrogen atom attached). - **Compound C:** Cyclohexanone (a hexagonal ring with a ketone group =O and an acidic hydrogen atom attached). - **Compound D:** Cyclohexane carboxylic acid (a hexagonal ring with a carboxylic acid group and an acidic hydrogen atom attached). **Options:** - ☐ Compound B - ☐ Compound A - ☐ Compound D - ☐ Compound C **Explanation of the Compounds:** The compounds are based on a cyclic ring structure, with varying functional groups attached that influence their acidity. - **Compound A** has an alcohol group, which is weakly acidic. - **Compound B** contains a phenol group, which is more acidic due to resonance stabilization of the phenoxide ion. - **Compound C** has a carbonyl group, usually not contributing significantly to acidity. - **Compound D** includes a carboxylic acid, typically the most acidic due to resonance stabilization of the carboxylate ion. Understanding the acidity of these compounds requires considering the stabilization of the conjugate base formed upon deprotonation.
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