The oxoanion in which the oxidation state of the central atom is same as its group number in the periodic table is

  • A

    $SO_4^{2-}$

  • B

    $VO_2^-$

  • C

    $MnO_4^{2-}$

  • D

    $Cr_2O_7^{2-}$

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  • [AIPMT 2010]

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