PICLAB: COMPARATIVE REACTIONS OF ANIONS
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Not as systematic as those which have been described for cations.
QUALITATIVE ANALYSIS OF ANIONS
Six (6) Major Groups – Classification based on; • Precipitation Reactions with AgNO3 and BaCl2 • Solubility of precipitates with excess HNO3
QUALITATIVE ANALYSIS OF ANIONS
TUBE 1 Chloride + Silver nitrate
Precipitate formed (P)
TUBE 1 Thiocyanate + Silver nitrate
Precipitate formed (P)
TUBE 1 Ferricyanide + silver nitrate
Precipitate formed (P)
TUBE 1 Chloride +Nitric acid
Insoluble in HNO3 (I)
TUBE 1 Thiocyanate + Nitric acid
Insoluble in HNO3 (I)
TUBE 1 Ferricyanide + nitric acid
Insoluble in HNO3 (I)
TUBE 1 Borate + silver nitrate
Precipitate formed (P)
TUBE 1 Carbonate + silver nitrate
Precipitate formed (P)
TUBE 1 Arsenate + silver nitrate
Precipitate formed (P)
TUBE 1 Chromate + silver nitrate
Precipitate formed (P)
TUBE 1 Borate + nitric acid
Soluble in HNO3
TUBE Carbonate + nitric acid
Soluble in HNO3
TUBE 1 Arsenate + nitric acid
Soluble in HNO3
TUBE 1 Arsenate + nitric acid
Soluble in HNO3
TUBE 1 Chromate + nitric acid
Soluble in HNO3
TUBE 1 Nitrite + silver nitrate
No precipitate / Precipitate formed
TUBE 1 Nitrite + nitric acid
Soluble in HNO3
TUBE 1 Nitrate + silver nitrate
No precipitate formed
TUBE 1 Nitrate + nitric acid
Soluble in HNO3
TUBE 1 Acetate + silver nitrate
No precipitate formed
TUBE 1 Acetate + nitric acid
Soluble in HNO3
TUBE 1 Sulfate + silver nitrate
No precipitate formed