Which of the following species is isoelectronic with CO ?

Which of the following species is isoelectronic with $CO$ ?

$N_{2}^{+}$
${CN}^{-}$
$O_{2}^{+}$
$O_{2}^{-}$

Solution

CO

and

{CN}^{-}

are isoelectronic.

CO = 6 + 8 = 14

and

{CN}^{-} = 6 + 7 + 1 = 14

. ,

Asked in: JEE-TOPICTESTS-CHEMISTRY

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