1. Determine whether the given molecules/ions below is aromatic, antiaromatic, or nonaromatic. Prove your answer by calculating the n in Hückel's rule. If it is nonaromatic, justify your answer using the rules of aromaticity. a) b) g) c) IZ: FZ: d) h) + e)
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- Explain how to construct the molecular orbitals of a conjugated cyclic system similar tobenzene and cyclobutadiene. Use the polygon rule to draw the energy diagram, and fillin the electrons to show whether a given compound or ion is aromatic or antiaromatic.What is the Huckel rule of aromaticity. Explain and give an example. short and clear answer pleaseOChem Help... Label the following as aromatic, antiaromatic or nonaromatic. Next, show how Huckel's rule is applied in each case. See attached photo.
- Predict whether the cyclic system is aromatic , anti-aromatic, or non-aromatic by counting electrons and explain why ? Also circle all the basic nitrogen’s wherever possible . Show all lone pairs which are involved in cyclic delocalization?11.) Using Frost's circle, please determine whether the following molecule is aromatic, antiaromatic or non-aromatic (Please provide detailed explanation with diagram).Are the following molecules aromatic, antiaromatic, or non-aromatic? Why?
- Consider the following compound, which has been synthesized and characterized:(a) Assuming this molecule is entirely conjugated, do you expect it to be aromatic, antiaromatic, or nonaromatic?(b) Why was this molecule synthesized with three tert-butyl substituents? Why not makethe unsubstituted compound and study it instead?(c) Do you expect the nitrogen atom to be basic? Explain. Why doesn’t nitrogen’s lonepair overlap with the double bonds to give a total of six electrons in the pi system?(d) At room temperature, the proton NMR spectrum shows only two singlets of ratio 1:2. The smaller signal remainsunchanged at all temperatures. As the temperature is lowered to -110 °C, the larger signal broadens and separatesinto two new singlets, one on either side of the original chemical shift. At -110 °C, the spectrum consists of threeseparate singlets of areas 1:1:1. Explain what these NMR data indicate about the bonding in this molecule. How doesyour conclusion based on the NMR data agree with…Circle any of the following which you think are aromatic systems. For the ones that are aromatic systems, give the "n" (Huckel number.) It's possible tk have more than one. Thank you!Using the Frost Circle method to outline the molecular orbitals of cyclobutadiene. and identify whether it is aromatic, antiaromatic or non-aromatic. Explain. (Note: Show the outline of MO of cyclobutadiene using the Frost circle method)
- (a) Draw an energy diagram for the cyclopropenyl MOs. (The polygon rule is helpful.) Label each MO as bonding, nonbonding, or antibonding, and add the nonbonding line. Notice that it goes through the approximate average of the MOs.(b) Add electrons to your energy diagram to show the configuration of the cyclopropenyl cation and the cyclopropenyl anion. Which is aromatic and which is antiaromatic?organic chemistry Diels Alder.. ( Explain well all point of question with proper step by step type Answer. ).Determine whether the following molecules are aromatic (A), non-aromatic (NA), or anti-aromatic (AA), and show the use of a Frost circle in determing aromaticity. You may assume planarity.