During which of the following reactions will a gaseous product $NOT$ be produced?

  • A
    $PbO_2 + H_2O_2$
  • B
    Acidic $KMnO_4 + H_2O_2$
  • C
    $PbS + H_2O_2$
  • D
    $Cl_2 + H_2O_2$

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