How many Dewar Structure of Benzene are present?
Correct answer: C. 3
- A. 2
- B. -3
- C. 3
- D. 4
Explanation
The Dewar structure is an isomer of benzene where the six-membered ring is not planar and has a fused cyclobutene ring. There are three possible Dewar structures, each with a different arrangement of the cyclobutene ring.
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Organic chemistry begins with carbon compounds classified by carbon skeleton, saturation and functional group. Work includes identifying groups such as hydroxyl, carbonyl, carboxyl and amino, applying basic nomenclature, and distinguishing structural, geometric and optical isomers, where the same molecular formula does not necessarily mean the same structure or properties.
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