In the precipitate of the iron group in qualitativev anlysis ammonium chloride is added before adding ammonium hydroxide toA. Decreases concentration of `OH^(Θ)` ionsB. Prevent interference by phosphate ionsC. increases concentration of `CI^(Θ)` ionsD. Increases concentration of `NH_(4)^(o+)` ions

In the precipitate of the iron group in qualitativev anlysis ammonium

1.	In the precipitate of the iron group in qualitativev anlysis ammonium chloride is added before adding ammonium hydroxide toA. Decreases concentration of `OH^(Θ)` ionsB. Prevent interference by phosphate ionsC. increases concentration of `CI^(Θ)` ionsD. Increases concentration of `NH_(4)^(o+)` ions
Answer» Correct Answer - a Only Fe ,Cr and AI are precipitate as their hydroxide

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