Question

Which of the following have identical bond order?
(I) $C{N}^{-}$ (II) $O_2^{-}$
(III) $N{O}^{+}$ (IV) $C{N}^{+}$

• A. I, II
• B. II, IV
• C. I, II, III
• D. I, IV

Answer 1

The correct option is A I, II

Following are the bond orders: ${CN}^{-}=1.5,N{O}^{+}=2.5,C{N}^{+}=2.5,O_2^{-}=1.5$