MCQ
Which of the following ring compounds obeys Huckel's rule ?
- A$C_4H_4^{-1}$
- B$C_4H_4^{+1}$
- ✓$C_4H_4^{-2}$
- D$C_4H_4$
✓
Answer
Correct option: C.
$C_4H_4^{-2}$
c
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