Question

Which of the two ions from the list given below, have the geometry that is explained by the same hybridisation of orbitals $NO^- _ 2 ,NO_3^- , NH_2^- , NH_4^+,SCN ^- ?$

• A. $NH_4^+ $ and $ NO_3^- $
• B. $SCN^- $ and $ NH_2^-$
• C. $ NO_2^- $ and $ NH_2^- $
• D. $ NO_2^- $ and $ NO_3^- $

Answer 1

Answer: (D)

$NO _{2}^{-}$and $NO _{3}^{-}$both have same hybridisation, i.e. $s p^{2}$ hybridisation and other given orbitals is as follows :
$NH _{2}^{-} - s p^{3}$ -hybridisation
$NH _{4}^{+} - s p^{3}$ -hybridisation
$SCN ^{-}$- $s p$-hybridisation