1.

In the species O_(2), O_(2) ^(- ) and O_(2) ^(2-), the correct decreasing order of bond strength is given as

Answer»

`O_(2) GT O_(2) ^(+) gt O_(2) ^(-) gt O_(2) ^(2-)`
`O_(2) ^(+) gt O_(2) gt O _(2) ^(-) gt O_(2) ^(2-)`
`O_(2) ^(2-) gt O _(2) ^(-) gt O_(2) ^(+) gt O _(2)`
`O _(2) ^(-) gt O_(2) ^(2-) gt O_(2) gt O _(2) ^(+)`

ANSWER :B


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