A. Determine the number of electrons in a system of cyclic conjugation (zero if

Question

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.) A Electrons in a cyclic conjugated system. B.The compound is (a, aa, or na) 2. A Electrons in a cyclic conjugated syster B.The compound is (a, aa, or na)

Explanation / Answer

Answer:-

1.

A. Electrons in a cyclic conjugated system = 8.

Because threre 4 double bonds and each double bond contribute 2 electrons

B. The compound is = aa (antiaromatic)

2.

A. Electrons in a cyclic conjugated system = 0 (no double bond)

B. The compound is = na (non aromatic)

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