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For each of the species below, identify any cyclic conjugated system, then: Dete

ID: 944690 • Letter: F

Question

For each of the species below, identify any cyclic conjugated system, then: Determine the number of electrons in a system of cyclic conjugation (zero if no cyclic conjugation). 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.) Electrons in a cyclic conjugated system. The compound is (a, aa, or na). Electrons in a cyclic conjugates system. The compound is (a, aa, or na).

Explanation / Answer

1)   compound is aromatic    as it follows 4n+2 pi electron system and planar in structure.

6 electrons in cyclic conjugated system

2) compound is aromatic follows 4n+2 pi electron system and planar in structure.

10 electrons in cyclic conjugated system