AIM: – To identify the given inorganic compound for its acidic and basic radical.
APPARATUS:- Chemical Reagent, Test Tube, Test Tube holder, Spatula
PROCEDURE:-
Preliminary Test:-
| Experiment | Observation | Inference |
| Smelled the salt. | No Ammonical smell. | Ammonium absent. |
| Added dilute hydrochloric acid to the original solution. | White coloured precipitate is formed. | Lead(II) may be present. |
Confirmatory Test:-
| Experiment | Observation | Inference |
| Added potassium iodide. | Yellow coloured precipitate formed. | Lead(II) confirmed. |
Chemical Equations:-
Ionic equation:-
Pb2+(aq) + HCl(aq) –> PbCl2(White)
Pb2+(aq) +2I–(aq) –> PbI2(s)(Yellow)
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