Which one of the following statements from Chapter 8 and 18 is FALSE?O For a compound to be classified as aromatic, it must have an odd number of pairsof r-electrons and must be fully conjugated, cyclic and planar.O Inclusion of heteroatoms as part of the conjugated ring system renders themolecule to be considered non-aromatic.O Benzene is a six-membered ring where the r-electrons are equally shared acrossall six carbons in the ring and thus it possesses 36 kcal/mol of resonancestabilization energy.O All EAS reactions follow the same three mechanistic steps: (1) generate theelectrophile, (2) capture the electrophile to give a carbocation intermediate, and(3) loss of a proton to regain aromaticity.

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Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter18: Aromaticity

Section: Chapter Questions

Problem 7CTQ

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Analyzing and Predicting Spectroscopic Data

The interaction of electromagnetic radiation with the structure of molecules in the sample and their study is referred spectroscopy. Several spectroscopic methods are used to acquire sample information, and these methods are proved to be accurate, fast, and non-destructive. The information obtained about the content and composition of molecules from these spectroscopic methods is called spectroscopic data.

Question

Which one of the following statements from Chapter 8 and 18 is FALSE?
O For a compound to be classified as aromatic, it must have an odd number of pairs
of r-electrons and must be fully conjugated, cyclic and planar.
O Inclusion of heteroatoms as part of the conjugated ring system renders the
molecule to be considered non-aromatic.
O Benzene is a six-membered ring where the r-electrons are equally shared across
all six carbons in the ring and thus it possesses 36 kcal/mol of resonance
stabilization energy.
O All EAS reactions follow the same three mechanistic steps: (1) generate the
electrophile, (2) capture the electrophile to give a carbocation intermediate, and
(3) loss of a proton to regain aromaticity.

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