In which of the following ionization processes the bond energy increases and the magnetic behaviour changes from paramagnetic to diamagnetic.

  • [NEET 2013]
  • A

    $O_2 \rightarrow O_2^+$

  • B

    $C_2 \rightarrow C_2^+$

  • C

    $NO \rightarrow NO^+$

  • D

    $N_2 \rightarrow N_2^+$

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Its bond order is

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  • [JEE MAIN 2022]

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