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The bond-orders of the given species are such that -
A
O₂⁻ > O₂⁺ > O₂²⁻ > O₂
B
O₂⁺ > O₂ > O₂⁻ > O₂²⁻
C
O₂⁺ > O₂²⁻ > O₂⁻ > O₂
D
O₂²⁻ > O₂ > O₂⁺ > O₂⁻
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