Question

Which of the following are isoelectronic and isostructural ? $NO_3^-$, $CO_3^{2-}$, $ClO_3^{-}$, $SO_3$

• A. $NO_3^-$, $CO_3^{2-}$
• B. $SO_3$, $NO_3^-$
• C. $ClO_3^{-}$, $CO_3^{2-}$
• D. $CO_3^{2-}$, $SO_3$

Answer 1

Answer: (A)

$NO_3^-$, $CO_3^{2-}$

Answer 2

$NO_3^-$ and $CO_3^{2-}$ both have 32 electrons, central atom ${sp}^2$ hybridised, triangular planar.