Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry9. Hydricarbon1 Mark
MCQ
Which of the following compounds is not aromatic?
A
B
✓
D
✓
Answer
Correct option: C.
c $[10]$ Annulene, although follow $(4 n +2) \pi$ electron rule, but it is non-aromatic due to its non planar nature. It is nonplanar due to repulsion of $C - H$ bonds present inside the ring.
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