Explain highest occupied molecular orbital is antibonding

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Given that O2 is parmagnetic and has a bond order of 2, and its highest occupied molecular orbital is antibonding, what would be the expected bond orders for O2 2- and O2 2+?

A) 1 for O2 2- and 3 for O2 2+

B) 3/2 for O2 2- and 5/2 for O2 2+

C) 5/2 for O2 2- and 3/2 for O2 2+

D) 3 for O2 2- and 1 for O2 2+

Reference no: EM13206503

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