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In the precipitation of the iron group i...

In the precipitation of the iron group in qualitative analysis, ammonium chloride is added before adding ammonium hydroxide is

A

Decrease ceoncentration of `OH^(-)` ions

B

Prevent interference by phosphate ions

C

increases concentration of `Cl^-` ions

D

increases in the concentration of `NH_(4)^(+)` ions.

Text Solution

Verified by Experts

To decrease the concentration of `OH^(-)` ions by common ion effect.
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