When H2S is passed through a solution of CuSO4, no precipitate of CuS is obtained until the solution is acidified with HCl. | Qualitative and Quantitative Analysis — Chem-Mantra | Chem-Mantra

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Question

When H2S is passed through a solution of CuSO4, no precipitate of CuS is obtained until the solution is acidified with HCl.

Answer: B

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