(a) Draw the orbital representation of imidazole. Briefly explain why imidazole is aromatic with particular reference to the nitrogen atom(s).
(a) Draw the orbital representation of imidazole. Briefly explain why imidazole is aromatic with particular reference to the nitrogen atom(s).
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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Transcribed Image Text:QUESTION 3
(a)
Draw the orbital representation of imidazole. Briefly explain
why imidazole is aromatic with particular reference to the
nitrogen atom (s).
(b)
(c)
9
HN-
10
7
i) PhLi
ii) (CH3)2CO
iii) H3O*
NH
5.2
Protonated triethylamine, pyridine, imidazole and pyrrole
have pka values 9, 7, 5.2, -4.0, respectively. Give a clear
explanation for the observed values.
H,CO, Me,NH, HOẶC
Draw chemical mechanisms for the reactions below, including
structures for the respective products G and H.
NH
G
-NH₂
H
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