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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 of ` O_(2)^(+) , O_2^(-),O_(2)^(2-)` and `O_(2)^(2+)` are ` 2. 5 , 1 . 5 , 1` and 30 respectively .
` :.` Bond order `prop (1)/("Bond length")` .


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