Benzene: structure and aromaticity
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See all →- Consider the following compounds/species :i. naphthalene ii. cyclopentadienyl anion iii. cyclobutadiene iv. cyclopropenyl anion v. cyclopropenyl cation vi. cyclooctatetraene vii. anthracene (all drawn as structures)The number of compounds/species whi… Answer: 2. 4 Key idea: Hückel's rule: a planar, cyclic, fully conjugated species with (4n+2) π electrons is aromatic. i. Naphthalene: 10 π e... 1
- Which compound amongst the following is not an aromatic compound ? Answer: 1. [structure in figure] Key idea: an aromatic compound is cyclic, planar, fully conjugated and has (4n+2) π electrons. (1) Cyclohep... 1