Bond order normally gives idea of stability of a molecular species. All the molecules viz. $H_2,\,\, Li_2$ and $B_2$ have the same bond order yet they are not equally stable. Their stability order is

  • [JEE MAIN 2013]
  • A

    ${H_2} > {B_2} > L{i_2}$

  • B

    $L{i_2} > {H_2} > {B_2}$

  • C

    $L{i_2} > {B_2} > {H_2}$

  • D

    None of these

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Which of the following statement is correct for peroxide ion

$A.$  has completely filled $\pi$ antibonding molecular orbitals
$B.$  is diamagnetic
$C.$  has bond order one
$D.$  is isoelectronic with Neon

The bond order in $O_2^ + $ is