\(SF _{6} \rightarrow\) Expanded octet molecule
(B) \(NO \rightarrow\) Odd Electron molecule
\(H _{2} SO _{4} \rightarrow\) Expanded octet.
(C) \(SF _{6} \rightarrow\) Even Electron molecule
\(H _{2} SO _{4} \rightarrow\) Expanded octet.
(D) \(BCl _{3} \rightarrow\) Even Electron molecule
\(NO \rightarrow\) Odd Electron molecule
\(S \rightarrow 12e^{-}\) in outer orbit.
$\mathrm{NO}_3^{-}, \mathrm{BCl}_3, \mathrm{ClO}_2^{-}, \mathrm{ClO}_3$