In the precipitate of the iron groupin qualitativev anlysis ammonium c – InterviewSolution

1.	In the precipitate of the iron groupin qualitativev anlysis ammonium chloride is added before adding ammonium hydroxide to
Answer» Decreases CONCENTRATION of `OH^(Θ)` ions Prevent INTERFERENCE by phosphate ions increases concentration of `CI^(Θ)` ions Increases concentration of `NH_(4)^(o+)` ions Solution :Only FE ,Cr and AIare PRECIPITATE as their hydroxide

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