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  • According to MO theory, number of species/ions from the following having identical bond order is_______. <img alt="\mathrm{CN}^{-}, \mathrm{NO}^{+}, \mathrm{O}_{2}, \mathrm{O}_{2}^{+}, \math

According to MO theory, number of species/ions from the following having identical bond order is_______.
\mathrm{CN}^{-}, \mathrm{NO}^{+}, \mathrm{O}_{2}, \mathrm{O}_{2}^{+}, \mathrm{O}_{2}^{2+}

Option: 1

3


Option: 2

-


Option: 3

-


Option: 4

-


Answers (1)

best_answer

We know ,
\mathrm{Bond\: order= \frac{Nb-Na}{2}}
\mathrm{CN^{-}\Rightarrow BO= \frac{6-0}{2}= 3}
\mathrm{NO^{+}\Rightarrow BO= \frac{6-0}{2}= 3}
\mathrm{O_{2}\Rightarrow BO= \frac{6-2}{2}= 2}
\mathrm{O_{2}^{+}\Rightarrow BO= \frac{6-1}{2}= 2.5}
\mathrm{O_{2}^{2+}\Rightarrow BO= \frac{6-0}{2}= 3}

\mathrm{So,CN^{-},NO^{+}\; and\; O_{2}^{2+}} have same bond order.

Ans = 3


 

Posted by

Pankaj

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