On passing $H_2S$ gas through a highly acidic solution containing $Cd^{2+}$ ions,$CdS$ is not precipitated because
- AOf common ion effect
- BThe solubility of $CdS$ is low
- C$Cd^{2+}$ ions do not form complex with $H_2S$
- DThe solubility product of $CdS$ is low
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