For each of the species below, identify any cyclic conjugated system, then: 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.) 1. A.Electrons in a cyclic conjugated system. 6 B.The compound is (a, aa, or na) a CH3 2. A.Electrons in a cyclic conjugated system. 14 B.The compound is (a, aa, or na) na

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Chapter1: Chemical Foundations
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For each of the species below, identify any cyclic conjugated system, then:
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.)
1.
A.Electrons in a cyclic conjugated system. 6
B.The compound is (a, aa, or na) a
CH3
CHS
A.Electrons in a cyclic conjugated system. 14
B.The compound is (a, aa, or na) na
2.
Transcribed Image Text:For each of the species below, identify any cyclic conjugated system, then: 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.) 1. A.Electrons in a cyclic conjugated system. 6 B.The compound is (a, aa, or na) a CH3 CHS A.Electrons in a cyclic conjugated system. 14 B.The compound is (a, aa, or na) na 2.
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