MCQ
Which statement is not correct about fullerene $C _{60}$ ?
- AIt contains $20$ six$-$membered rings and $12$ fivemembered rings.
- BAll carbon atoms undergo $s p^2-$hybridization.
- CA six$-$membered ring is fused with six$-$membered ring only.
- DA five$-$membered ring is fused with six$-$membered ring only.