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One the basic of ground electronic confi...

One the basic of ground electronic configuration, arrange the following molecules in the oder of increasing `O -O` bond lengths `KO_(2), O_(2) ,O_(2)[AsF_(6)]` .

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`O_(2)^(+) lt O_(2) lt O_(2)^(-)`
Bond order : `O_(2)^(-)=1.5,O_(2)=2, O_(2)^(2+)=2.5.` Bond length : `O_(2)^(+) lt O_(2) lt O_(2)^(-)`
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