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The number of antibonding electron pairs in `O_(2)^(2-)` molecular ion on the basic of molecular orbital theory is

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The number of antibonding electron pairs in `O_(2)^(2-)` molecular ion on the basic of molecular orbital theory is
A. 4
B. 3
C. 2
D. 5
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`O_(2)^(2)` consists of four antibonding electron pair `[1s and 2s` have two antibonding, electron pair and `2p_(x), 2p_(y)` have two antibonding electron pair].
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