5-Methylene- 1,3-cyclopentadiene "Fulvene" 6-Dimethylamino- fulvene 6,6-Dimethyl- fulvene 6,6-Diphenyl fulvene f these structures is considerably more acidic than the others, with a pKa around 20. Identify it and its cidic hydrogen(s), and explain why it is an unusually strong acid for a molecule with only carbon-hydrogen Draw relevant resonance structures to support your answer

5-Methylene- 1,3-cyclopentadiene "Fulvene" 6-Dimethylamino- fulvene 6,6-Dimethyl- fulvene 6,6-Diphenyl fulvene f these structures is considerably more acidic than the others, with a pKa around 20. Identify it and its cidic hydrogen(s), and explain why it is an unusually strong acid for a molecule with only carbon-hydrogen Draw relevant resonance structures to support your answer

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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Concept explainers

Amines

Amines are organic compounds with a nitrogen atom having a lone pair of electrons on it. They are derived from ammonia (NH3) wherein hydrogen atoms are substituted by an aryl or alkyl group.

Question

1) All the molecules shown below are examples of "fulvenes."
N(CH3)2
H3C.
CH3
C6H5
C;H5
5-Methylene-
1,3-cyclopentadiene
"Fulvene"
6,6-Dimethyl-
fulvene
6-Dimethylamino-
6,6-Diphenyl
fulvene
fulvene
One of these structures is considerably more acidic than the others, with a pka around 20. Identify it and its
most acidic hydrogen(s), and explain why it is an unusually strong acid for a molecule with only carbon-hydrogen
bonds. Draw relevant resonance structures to support your answer

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