Which of the following is antiaromatic

In contrast to the diamagnetic ring current present in aromatic compoundsantiaromatic compounds have a paramagnetic ring current, which can be observed by NMR spectroscopy.

Hence, is anti-aromatic. Get Started. SSC Exams. Banking Exams. Teaching Exams.

Which of the following is antiaromatic

Which of the following is an antiaromatic compound? Which of the following species are antiaromatic? Which of the following are pairs of antiaromatic species? Which of the following species is antiaromatic? Consider the following reactions : Which of the following are stereospecific reactions? Antidepressant drugs follow which of the following mechanism? Sulphur, on heating follows Which of the following sequence? Match the following: Which of the following is the best matched options? Which of the followig is aromatic? Which of the following is not aromatic? Which of the followng is the least reactive towards addition reactions The order of stability of the species i , ii and iii is. In which of the following compounds are the hydrogen atoms atoms of th

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Some Practice Problems. Antiaromatic Compounds and Antiaromaticity. Our last post in this series on aromaticity went through the 4 conditions a molecule must fulfill in order to be aromatic. In that post we tried to explain what each of those rules meant — so if any of these individual items seem unclear to you, it might be a good idea to go back to that post. Make a table. You need to know the few exceptions that come up — we covered that last time. The easiest example to start with is benzene, and it demonstrates how to use the table.

Which of the following is antiaromatic

In short, the only way aromatic and antiaromatic compounds differ is the number of electrons they have in the conjugated system. All the other criteria — being cyclic, planar, and fully conjugated are a must for both categories:. There is also the third class of compounds we need to discuss: These are the nonaromatic or not aromatic compounds.

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If a compound does not have a continuous ring of conjugated p orbitals in a planar conformation, then it is nonaromatic. Huckel's Rule is a useful first step in evaluating the potential for a ringed molecule to be aromatic.

ISBN DRDO Fireman. Indian Coast Guard Assistant Commandant. RBI Office Attendant. Indian Bank Security Guard. TS TET. More Organic Chemistry Questions Q1. However, there is also an antiaromatic lactone moiety green. NVS Lab Attendant. This is compounded by the fact that one cannot typically make derivatives of antiaromatic molecules by adding more antiaromatic hydrocarbon rings, etc. The system is thus anti -aromatic. CWC Junior Superintendent.