Question 6 Are either of the two ions shown below aromatic? Clearly state whether each ion is aromatic or not and give reasons for your answer in each case. + [5]
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- Which of the molecules and ions given in Problem 21.15 are aromatic according to the Hckel criteria? Which, if planar, would be antiaromatic? 21.15 State the number of 2p orbital electrons in each molecule or ion.Aside from the multiple ring systems shown in the table, search for 1 multiple ring aromatic compound and list down its properties, sources, and uses or applications.Which of these images are not aromatic?
- The instructions were to define if the molecule was aromatic or antiaromatic. If the element (such as N or O) has a double bond directly on it, then its lone pair doesn't count in the conjugation system; if there's a single bond, then its lone pair is counted. I counted the electrons on the lone pairs, and since the total was 6 e-, I labeled it as aromatic. was this correct?The unusual molecule below is aromatic and somewhat stable in spite of the positive charge on oxygen. Draw all possible resonance structures to show how the electrons can move about the ring in an uninterrupted circuit.1 i. What is Resonance Theory? Sate five conclusions that can be drawn from the theory. ii. State the two main experiments that were used to establish the extra stability of the benzene molecule. iii. What are the factors that confer Aromaticity to an organic molecule? iv. State the effects of substituents on a benzene derivative towards further aromatic substitution. V. Based on the above suggest the various types of substituents that can be attached to Benzene.
- 1. What is resonance theory? State five conclusionstgan can be drawn from the theory. 2.What factors confer aromaticity to an organic molecule. 3. What are the various ways by which alkenes can be synthesized. 4. State the two main experiment that were used to establish the extra stability of the benzene molecule.Why isn't this compound aromatic? Doesn't it fit the 4n+2 rule where there is 6 pi electrons? Or is it not planar, which is why it is not aromatic?2. A newly discovered molecule contains a benzene ring, what is the likelihood that it is an aromatic compound 5% or 95%?
- Which of the following criteria satisfies non-aromaticity? Choose whichever is applicable. (can be more than one answer) A. Continuous conjugation B. Noncontinuous conjugation C. Pi electrons are equal to 4n+2 D. Pi electrons are equal to 4n E. Planar geometryWich of the following alternstives is responsible for the following structures to be non-aromatic? A) cyclic structure B)planarity C)hunckle rule D)conjugation E)none of the aboveAre the following molecules aromatic, antiaromatic, or non-aromatic? Why?