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Compare the relative stabililty of the following species and indicate their magnetic properties O2 , O2^+ , O2^- (superoxide), O2^2- (peroxide)

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Compare the relative stabililty of the following species and indicate their magnetic properties O2 , O2+ , O2- (superoxide), O22- (peroxide)

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O2 – Bond order = 2 paramagnetic 

O2+ – Bond order = 2.5, paramagnetic 

O2- – Bond order = 1.5, paramagnetic 

O22- – Bond order = 1, diagmagnetic

Order of relative stability is:

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