Which of the following order is not correct

  • A

    $Zn > Cd > Hg$ Heat of atomisation

  • B

    $Mn_2O_7 > MnO_2 > MnO$ Acidic strength

  • C

    $CrO_3 > MoO_3 > WO_3$ oxidising nature

  • D

    $HgCl_2 > CdCl_2 > ZnCl_2$ Ionic character

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