NEET Chemistry Aromatic Hydrocarbons MCQ Question
Consider a hexagonal ring representing benzene. If all carbon-carbon bond lengths in the ring are equal, what is the main reason for this uniformity?
Presence of alternating single and double bonds
Delocalisation of π electrons over the ring
Equal electronegativity of carbon atoms
Hybridization of carbon atoms
Correct Answer
Detailed Explanation
The equal bond lengths in benzene are due to the delocalisation of π electrons, which form a uniform electron cloud above and below the plane of the ring, as per the NCERT context.
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