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MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryChemical BondingMolecular orbital theory

Which of the following have identical bond order? (I) CN– (II) O2 (III) NO+ (IV) N2

A.I, III, IV
B.II, IV
C.I, II, III
D.I, IV
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