Which compound (s) out of the following is/are not aromatic? (A) (B) (C) (D)

Which compound (s) out of the following is/are not aromatic? (A)
(B)
(C)
(D)

1. (B), (C) and (D)
2. (C) and (D)
3. (B)
4. (A) and (C)

Solution

is aromatic; $(4 \times 0+2)=2 \pi e^{-}$ in conjugationis aromis aromatic; $(4 \times 0+2)=2 \pi e^{-}$ in conjugation

is non aromatic due to the presence of $s p^{3}$ carbon

Asked in: JEE Main 2019 (11 Jan Shift 1)

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