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Benzene: structure and aromaticity

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Every question from past board papers on Benzene: structure and aromaticity, newest paper first. Open any question for its full worked answer.

NEET UG 2023 question paper (official, booklet G6)

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  1. 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 which obey Huckel's rule is ________.

    seven structures i-vii

    4 marks · See worked answer →

NEET UG 2022 question paper (official, booklet R6)

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  1. Which compound amongst the following is not an aromatic compound ?

    four ring structures: cycloheptatriene-like ring (1), cyclopentadienyl anion (2), tropylium cation (3), cyclopropenyl cation (4)

    4 marks · See worked answer →