In which of following pairs molecules have bond order three and are isoelectronics

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4.Chemical Bonding and Molecular Structure

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In which of the following pairs molecules have bond order three and are isoelectronics

A

$C{N^ - }$, $CO$

B

$N{O^ + },\,\,C{O^ + }$

C

$C{N^ - }$, $O_2^ + $

D

$CO,$ $O_2^ + $

Solution

(a) $C{N^ – } = 14$ electrons ; $CO =14$ electrons

$B.O. =$ $\frac{1}{2}[10 – 4] = \frac{6}{2} = 3$.

Standard 11

Chemistry

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