For each of the species below, identify any cyclic conjugated system, then: A. D

Question

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.)

answer I have are wrong.

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.) A Electrons in a cyclic conjugated system-o B.The compound is (a, aa, or na)na A Electrons in a cyclic conjugated system.4 B.The compound is (a, aa, or na)aa 1 more group attempt remaining Submit Answer Retry Entire Group

Explanation / Answer

1. 6 pi electrons(4 from pi-bond and one lone pair of N singly bonded to ring), complete conjugation in ring and it is aromatic.

2. 4 pi electrons(2 + 2 from lone pair of O) but not complee conjugation in ring and hence non-aromatic.

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