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 compound in a) and b) is more acidic? Also which effect contributes to the stabilization of the conjugate base?

Transcribed Image Text:The image contains chemical structures arranged in two parts labeled (a) and (b).
### (a) Chemical Structures:
1. **Left Structure:**
- A six-membered carbon ring (cyclohexane ring).
- A fluorine atom (F) is attached to one of the carbon atoms.
- An amino group (NH₂) is attached to a neighboring carbon atom.
2. **Right Structure:**
- Another six-membered carbon ring (cyclohexane ring).
- A chlorine atom (Cl) is attached to one of the carbon atoms.
- An amino group (NH₂) is attached to a neighboring carbon atom.
### (b) Chemical Structures:
1. **Left Structure:**
- A five-carbon chain with two ketone groups (C=O) on the second and fourth carbons.
- Methyl groups (CH₃) are attached to the first and fifth carbons.
2. **Right Structure:**
- A three-carbon chain with a ketone group (C=O) on the second carbon.
- A methyl group (CH₃) is attached to the first carbon.
These structures demonstrate variations in substituents on cyclohexane rings and different carbonyl-containing carbon chain molecules.
Expert Solution

Step 1 Theory
More stable the conjugate base of an acid, higher is the acidity of that acid.
Electron withdrawing atom/group stabilise the conjugate base.
Conjugation increases the stability of conjugate base.
Stability increases with increase in number of resonating structures.
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