PICLAB: COMPARATIVE REACTIONS OF ANIONS Flashcards
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