4th Edition

ISBN: 9781259141089

Author: SMITH

Publisher: MCG

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Alkanes are saturated organic compounds which are made up of C and H atoms. Alkanes have the general formula of CnH2n+2. Alkane contains sp3 hybridized carbon atoms with four sigmas (σ) bonds & every hydrogen atom is connected with one of the carbon atom…

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Textbook Question

Chapter 18, Problem 18.49P

Explain each statement in detail using resonance structures.

a. A phenyl group (C₆H₅ - ) is an ortho, para director that activates a benzene ring toward electrophilic attack.

b. A nitroso group (- NO) is an ortho, para director that deactivates a benzene ring toward electrophilic attack.

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Chapter 18, Problem 18.48P

Chapter 18, Problem 18.50P

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Part II. xiao isolated a compound TAD (Ca H 10 N₂) from tobacco and obtained its IR spectrum. Xiao proposed a chemical structure shown below: % Transmittance 4000 3500 3000 2500 2000 Wavenumber (cm-1) 1500 1000 (a) Explain why her proposed structure is inconsistent with the IR spectrum obtained (b) TAD exists as a tautomer of the structure xiao proposed. Draw the structure and explain why it is more compatible with the obtained spectrum. (C) what is the possible source for the fairly intense signal at 1621cm1

AE>AE₁ (Y/N) AE=AE₁ (Y/N) AE

Chapter 18 Solutions

Organic Chemistry-Package(Custom)

Ch. 18 - Prob. 18.1P Ch. 18 - Prob. 18.2P Ch. 18 - Prob. 18.3P Ch. 18 - Prob. 18.4P Ch. 18 - Prob. 18.5P Ch. 18 - What acid chloride would be needed to prepare each...Ch. 18 - Prob. 18.7P Ch. 18 - Draw a stepwise mechanism for the following...Ch. 18 - Prob. 18.9P Ch. 18 - Prob. 18.10P

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Explain each statement in detail using resonance structures. a. A phenyl group (C 6 H 5 - ) is an ortho, para director that activates a benzene ring toward electrophilic attack. b. A nitroso group (- NO) is an ortho, para director that deactivates a benzene ring toward electrophilic attack.

Solution Summary: The author explains the electrophilic aromatic substitution reaction of benzene. The phenyl group is an ortho and para director.

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Chapter 18 Solutions