JEE CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE

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Understanding +4 | -1

The bond length the species

{O}_2, {O}_2^{+}

and

{O}_2^{-}

are in the order of

View answer and explanation

Correct option: A

{O}_2^{+}>{O}_2>{O}_2^{-}

Option D (

{O}_2^{-}>{O}_2>{O}_2^{+}

) is correct because bond length decreases as bond order increases, and the bond orders are

{O}_2^{+}

(2.5) >

{O}_2

(2) >

{O}_2^{-}

(1.5).

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