2. a) Determine the number of delocalizing pi electrons in each compound b) Then determine if...
1. (a) (10 points) Give the number of pi electrons and determine whether each of the following compounds is aromatic, anti-aromatic, or non aromatic. compound number of x electrons aromaticity cyclohexatrienyl dianion
10. Determine if the following compound is aromatic or antiaromatic. Indicate the number of pi electrons and provide the MO diagram for those electrons. a) Aromatic or Antiaromatic Pi electrons MO diagram: Aromatic or Antiaromatic Pi electrons MO diagram:
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).
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...
2. What is the Hückel number of pi electrons for the molecule shown below? How many pi electron pairs does it have? Would you expect this molecule to be aromatic, antiaromatic or non aromatic? Explain. (3pts) 16 Te 1. Draw Frost circle diagrams for each compound shown. Assume that all atoms in the ring are sn2 hybridized. Populate the pi electrons in the corresponding MO's. Identify the compound as aromatic or antiaromatic. (5 pts)
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.) осна A.Electrons in a cyclic conjugated system. B.The compound is (a, aa, or na)...
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.)
A.Electrons in a cyclic conjugated system. B.The compound is (a, aa, or na) .
Determine the hybridization of the circled atoms and the number of p electrons that the circled atoms in the compound shown contribute to the aromatic system of delocalized pi electrons.
For each structure shown below, determine the number of pi electrons. Indicate whether the structure is aromatic, nonaromatic, or antiaromatic. Number of pi electrons
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 A.Electrons in a cyclic conjugated system B.The compound is (a, aa, or na)...
For each structure below, determine the number of pi electrons
and indicate whether it is aromatic, nonaromatic, or
antiaromatic.
b) c) d)