MCQ
On passing ${H_2}S$ gas through a highly acidic solution containing $C{d^{2 + }}$ ions, $CdS$ is not precipitated because
- ✓Of common ion effect
- BThe solubility of $CdS$ is low
- C$C{d^{2 + }}$ions do not form complex with ${H_2}S$
- DThe solubility product of $CdS$ is low
