Question

$CO$ has same electrons as of the ion that is isoelectronic with $CO$ is

• A. $N_2^{+}$
• B. $C{N}^{-}$
• C. $O_2^{+}$
• D. $O_2^{-}$

Answer 1

Answer: (B)

$CO$ and $CN$ are isoelectronic. $CO=6+8=14$ and $C{N}^{-}=6+7+1=14.$