In which of the following processes, the bond order increases and paramagnetic character changes to diamagnetic one?

  • [JEE MAIN 2023]
  • A

    $O _2 \rightarrow O _2^{2-}$

  • B

    $NO \rightarrow NO ^{+}$

  • C

    $N _2 \rightarrow N _2^{+}$

  • D

    $O _2 \rightarrow O _2^{+}$

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