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Using `MO` theory predict which of the following sepcies has the shortest bond length ?A. `O_(2)^(2+)`B. `O_(2)^(+)`C. `O_(2)^(-)`D. `O_(2)^(2-)`

Answer» Correct Answer - A
Bond order
`O_(2)^(+)=(10-5)/2=2.5`
`O_(2)^(-)=(10-7)/2=1.5`
`O_(2)^(2-)=(10-8)/2=1`
`O_(2)^(2+)=(10-4)/2=3`
Bond order `prop1/("bond length")`
So, `O_(2)^(2+)` has the shortest bond length.


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