The correct order of $Cl - O$ bond order is

  • A

    $ClO^-_3 < ClO^-_4 < ClO^-_2 < ClO^-$

  • B

    $ClO^- < ClO^-_4 < ClO^-_3 < ClO^-_2$

  • C

    $ClO^- < ClO^-_2 < ClO^-_3 < ClO^-_4$

  • D

    $ClO^-_4 < ClO^-_3 < ClO^-_2 < ClO^-$

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