In which pair, or pairs, is the stronger bond found in the first species

$(a)$ $O_2^ - ,{O_2}$  $(b)$ ${N_2},N_2^ +$  $(c)$ $NO^+, NO^-$

  • A

    $a$ only

  • B

    $b$ only

  • C

    $(a)$ and $(c)$ only

  • D

    $(b)$ and $(c)$ only

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