Assume the molecule below is planar. Based on that information, how would you classify this compound? NH (A) Aromatic (B) Anti-Aromatic (C) Non-Aromatic
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- Which statement concerning the substances below is correct? A) Compound I is non-aromatic. B) Compounds II and IV are aromatic. C) Compounds I and Ill are anti-aromatic. D) Compound II is anti-aromatic.S Coronene is a polycyclic aromatic hydrocarbon. (a) How many total T electrons does it have? (b) Is that number consistent with the fact that the compound is aromatic? Explain. CoroneneWhich of these images are not aromatic?
- Predict the product of the following reaction: 1) H2O 2) NaH Br NO2 3) reflux ZON НО NO2 `NO2 Br ZONName these molecules and determine if they are aromatic according to Huckel's Rule X (a) (b) Aromatic? Aromatic? (c) (d) Aromatic? Aromatic?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…
- I need help with this review question is it (A) Aromatic (B) Anti- Aromatic (C) Non- Aromatic5) Classify the compound below as aromatic antiaromatic, or nonaromatic. Assume planarity of the TT network.Determine whether each of the following species is aromatic, antiaromatic, or nonaromatic. Explain. Hint: Don't forget the lone pairs. (a) (b) (c) (d) (e) (f) (g) CH2
