Analytical ChemistryMedium
Question
Nessler′s reagent is used to detect
Options
A.PO23-
B.MnO4-
C.NH4+
D.CrO42-
Solution
Nessler′s reagent (K2[HgI4]) is used for the detection and quantitative determination of ammoniya (or NH4+) in solution. It gives a yellow colour or brown precipitate of oxydimercuric ammonium iodide 
even with concentra-tion as low as1part per million of NH3.
even with concentra-tion as low as1part per million of NH3.Create a free account to view solution
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