3. Fill in the electrons in the MO diagram for cyclooctatetraene. Assume the ring were reduced and gained two more electrons in its pi system, show how the electrons change in the MO diagram. Is cyclooctatetraene dianion aromatic? (8 pts) -2 reduction, add 2 electrons dianion MO neutral molecule MO

3. Fill in the electrons in the MO diagram for cyclooctatetraene. Assume the ring were reduced and gained two more electrons in its pi system, show how the electrons change in the MO diagram. Is cyclooctatetraene dianion aromatic? (8 pts) -2 reduction, add 2 electrons dianion MO neutral molecule MO

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter9: Alkynes: An Introduction To Organic Synthesis

Section9.SE: Something Extra

Problem 55AP

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Concept explainers

Alkanes and Cycloalkanes

Alkanes are saturated organic compounds which are made up of C and H atoms. Alkanes have the general formula of CnH2n+2. Alkane contains sp3 hybridized carbon atoms with four sigmas (σ) bonds & every hydrogen atom is connected with one of the carbon atoms. The size of the alkane could be determined by the number of carbon atoms located in it.

Question

3. Fill in the electrons in the MO diagram for cyclooctatetraene. Assume the ring were reduced and gained two more electrons
in its pi system, show how the electrons change in the MO diagram. Is cyclooctatetraene dianion aromatic? (8 pts)
-2
reduction, add 2 electrons
dianion MO
neutral molecule MO

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