Which of the following cations cannot be separated by passing H2S through their solutions to which N — Qualitative and Quantitative Analysis Chemistry Question
Question
Which of the following cations cannot be separated by passing H2S through their solutions to which NH4Cl and NH4OH have been added?
Answer: C,D
💡 Solution & Explanation
Ni2+, Mn2+, Co2+, and Zn2+ all belong to Group IV and precipitate together as sulfides under basic H2S conditions, meaning they cannot be separated from each other in these pairs.
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