MCQ
The bond length the species ${O_2},O_2^ + $ and $O_2^ - $ are in the order of
- ✓$O_2^ - > {O_2} > O_2^ + $
- B$O_2^ + > O_2^ - > {O_2}$
- C${O_2} > O_2^ + > O_2^ - $
- D$O_2^ + > {O_2} > O_2^ - $
$ = \frac{{{\rm{number \,of\, bonding \,electron - Number \,of \,}}a{\rm{.}}b{\rm{. electron}}}}{2}$
For ${O_2} = \frac{{10 - 6}}{2} = 2$ ;
$O_2^ + = \frac{{10 - 5}}{2} = 2.5$
$O_2^ - = \frac{{10 - 7}}{2} = 1.5$
So, bond order $O_2^ + > {O_2} > O_2^ - $
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