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Consider the ions/molecule O_2^+,O_2,O_2^-,O_2^2-. For increasing bond order the correct option is

JEE Main 2022 — Chemistry Inorganic Chemistry

2022mcqeasy

Consider the ions/molecule O2+,O2,O2−,O22−{O}_{2}^{+},{O}_{2},{O}_{2}^{-},{O}_{2}^{2-}O2+​,O2​,O2−​,O22−​. For increasing bond order the correct option is

Official previous-year question

Held on 26 Jun 2022 · Verified 6 Jul 2026.

Options

  1. A

    O2−<O22−<O2<O2+{O}_{2}^{-}<{O}_{2}^{2-}<{O}_{2}<{O}_{2}^{+}O2−​<O22−​<O2​<O2+​

  2. B

    O2−<O22−<O2+<O2{O}_{2}^{-}<{O}_{2}^{2-}<{O}_{2}^{+}<{O}_{2}O2−​<O22−​<O2+​<O2​

  3. C

    O2−<O2+<O22−<O2{O}_{2}^{-}<{O}_{2}^{+}<{O}_{2}^{2-}<{O}_{2}O2−​<O2+​<O22−​<O2​

  4. D

    O22−<O2−<O2<O2+{{O}_{2}}^{2-}<{{O}_{2}}^{-}<{O}_{2}<{{O}_{2}}^{+}O2​2−<O2​−<O2​<O2​+

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