2. A. Determine the number of electrons in a system of cyclic conjugation (zero if no cyclic conjugation). B. Specify whether the species is "a"-aromatic, "aa"-anti-aromatic, or "na"-non-aromatic (neither aromatic nor anti-aromatic). (Presume rings to be planar unless structure obviously prevents planarity. If there is more than one conjugated ring, count electrons in the largest.) CH3 b. C. d. e. i. f. g.

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter18: Aromaticity
Section: Chapter Questions
Problem 18E
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2. A. Determine the number of electrons in a system of cyclic conjugation (zero if no cyclic conjugation).
B. Specify whether the species is "a"-aromatic, "aa"-anti-aromatic, or "na"-non-aromatic (neither aromatic nor
anti-aromatic).
(Presume rings to be planar unless structure obviously prevents planarity. If there is more than one conjugated
ring, count electrons in the largest.)
CH3
a.
b.
C.
d.
e.
f.
i.
g.
h.
:0:
IZ
:O:
N:
3. Specify the number of isomers possible for the following molecules.
a.
Dichloronitrobenzene?
b. An aromatic compound with formula C,H,Cl
C. Tribromobenzoic acid
Transcribed Image Text:2. A. Determine the number of electrons in a system of cyclic conjugation (zero if no cyclic conjugation). B. Specify whether the species is "a"-aromatic, "aa"-anti-aromatic, or "na"-non-aromatic (neither aromatic nor anti-aromatic). (Presume rings to be planar unless structure obviously prevents planarity. If there is more than one conjugated ring, count electrons in the largest.) CH3 a. b. C. d. e. f. i. g. h. :0: IZ :O: N: 3. Specify the number of isomers possible for the following molecules. a. Dichloronitrobenzene? b. An aromatic compound with formula C,H,Cl C. Tribromobenzoic acid
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