Which of the following ions can be separated by using NH4Cl and NH4OH? — Qualitative and Quantitative Analysis Chemistry Question
Question
Which of the following ions can be separated by using NH4Cl and NH4OH?
Answer: B,D
💡 Solution & Explanation
NH4OH in the presence of NH4Cl precipitates Group III cations (Fe3+, Al3+, Cr3+) but not higher group cations (Co2+, Ba2+). Thus Cr3+/Co2+ and Al3+/Ba2+ pairs can be separated.
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