Organic Chemistry
Organic Chemistry
11th Edition
ISBN: 9781118133576
Author: T. W. Graham Solomons, Craig Fryhle
Publisher: Wiley, John & Sons, Incorporated
Question
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Chapter 14, Problem 25P
Interpretation Introduction

Interpretation:

The [10] annulene given in section 14.7 B is not aromatic. The factor that makes the given 10 πelectron system aromatic is to identified.

Concept introduction:

Annulenes belong to the class of monocyclic compounds and are represented by the structure containing alternating single and double bonds.

For an annulene to be aromatic, the molecule should have (4n+2)π electrons and a planer carbon skeleton.

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Chapter 14 Solutions

Organic Chemistry

Ch. 14 - Practice Problem 14.11 In addition to a signal...Ch. 14 - PRACTICE PROBLEM 14.12 Azulene has an appreciable...Ch. 14 - Practice Problem 14.13 (a) The -Sh group is...Ch. 14 - Practice Problem 14.14 Explain how NMR...Ch. 14 - PRACTICE PROBLEM 14.15 Four benzenoid compounds,...Ch. 14 - Prob. 16PCh. 14 - Write structural formulas and give acceptable...Ch. 14 - Prob. 18PCh. 14 - Prob. 19PCh. 14 - Prob. 20PCh. 14 - Which of the hydrogen atoms shown below is more...Ch. 14 - 14.22 The rings below are joined by a double bond...Ch. 14 - Prob. 23PCh. 14 - 14.24 (a) In 1960 T. Katz (Columbia University)...Ch. 14 - Prob. 25PCh. 14 - Prob. 26PCh. 14 - 14.27 5-Chloro-1,3-cyclopentadiene (below)...Ch. 14 - Prob. 28PCh. 14 - Furan possesses less aromatic character than...Ch. 14 - 14.30 For each of the pairs below, predict...Ch. 14 - Assign structures to each of the compounds A, B,...Ch. 14 - Prob. 32PCh. 14 - Give a structure for compound F that is consistent...Ch. 14 - Prob. 34PCh. 14 - Prob. 35PCh. 14 - A compound (N) with the molecular formula C9H10O...Ch. 14 - The IR and 1H NMR spectra for compound X(C8H10)...Ch. 14 - Prob. 38PCh. 14 - Prob. 39PCh. 14 - 14.39 Given the following information, predict the...Ch. 14 - Consider these reactions: The intermediate A is a...Ch. 14 - Prob. 42PCh. 14 - Compound E has the spectral features given below....Ch. 14 - Draw all of the molecular orbitals for...Ch. 14 - Prob. 1LGPCh. 14 - Prob. 2LGPCh. 14 - 3. The NMR signals for the aromatic hydrogens of...Ch. 14 - Prob. 4LGPCh. 14 - Prob. 5LGPCh. 14 - Prob. 1QCh. 14 - Which is the correct name of the compound shown?...Ch. 14 - Prob. 3QCh. 14 - Prob. 4QCh. 14 - Give the structure of a compound with the formula...Ch. 14 - Prob. 6Q
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