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The two following molecules are very common reagents for organic synthesis. They both have a basic nitrogen, but their pka's are very different (see values given in question 1). The goal of this problem is to understand why. N-H A B 1) Please draw below the conjugated acid of A and B respectively: H base conjugated acid base conjugated acid pka of this acid/base pair: ~ 5 pka of this acid/base pair: ~ 0 2) Both molecules exhibit resonance forms (see below). Draw curved arrows to go from one resonance structure to the next (molecule A: 1–>2; molecule B 1->2->3->4->5). A 1 2 2 4

The two following molecules are very common reagents for organic synthesis. They both have a basic nitrogen, but their pka's are very different (see values given in question 1). The goal of this problem is to understand why. N-H A B 1) Please draw below the conjugated acid of A and B respectively: H base conjugated acid base conjugated acid pka of this acid/base pair: ~ 5 pka of this acid/base pair: ~ 0 2) Both molecules exhibit resonance forms (see below). Draw curved arrows to go from one resonance structure to the next (molecule A: 1–>2; molecule B 1->2->3->4->5). A 1 2 2 4

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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The two following molecules are very common reagents for organic synthesis. They botn have a basic nitrogen, but their pka's are very different (see values given in question 1). The goal of this problem is to understand why. N-H A 1) Please draw below the conjugated acid of A and B respectively: H base conjugated acid base conjugated acid pka of this acid/base pair: - 5 pka of this acid/base pair: ~ 0 2) Both molecules exhibit resonance forms (see below). Draw curved arrows to go from one resonance structure to the next (molecule A: 1->2; molecule B 1->2->3–>4->5). A 1 1 2 4 5
Transcribed Image Text:The two following molecules are very common reagents for organic synthesis. They botn have a basic nitrogen, but their pka's are very different (see values given in question 1). The goal of this problem is to understand why. N-H A 1) Please draw below the conjugated acid of A and B respectively: H base conjugated acid base conjugated acid pka of this acid/base pair: - 5 pka of this acid/base pair: ~ 0 2) Both molecules exhibit resonance forms (see below). Draw curved arrows to go from one resonance structure to the next (molecule A: 1->2; molecule B 1->2->3–>4->5). A 1 1 2 4 5
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