On passing $H_2S$ gas through a highly acidic solution containing $Cd^{2+}$ ions,$CdS$ is not precipitated because

  • A
    Of common ion effect
  • B
    The solubility of $CdS$ is low
  • C
    $Cd^{2+}$ ions do not form complex with $H_2S$
  • D
    The solubility product of $CdS$ is low

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