When H 2 S gas is passed through the HCl containing aqueous solution of CuCl 2 , HgCl 2 …
Chemistry · NEET · NTA Exams — Analytical Chemistry
When H2S gas is passed through the HCl containing aqueous solution of CuCl2, HgCl2, BiCl3 and CoCl2, it does not precipitate out:
- CuS
- HgS
- Bi2S3
- CoS
Answer
(D) CoS
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