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प्रश्न
Identify the cation of the following case:
NH4OH solution when added to solution (B) gives white ppt. which does not dissolve in excess.
उत्तर
Pb2+ ion :
\[\ce{Pb(NO3)2 + 2NH4OH -> \underset{\text{(chalky white ppt. insoluble in excess)}}{Pb(OH)2 + 2NH4NO3}}\]
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संबंधित प्रश्न
What happens when ammonia solution is added first dropwise and then in excess to the following solution:
ZnSO4
Write a balanced equation for this reaction.
What happens when ammonia solution is added first dropwise and then in excess to the following solution:
FeCl3
Write a balanced equation for this reaction.
On adding dilute ammonia solution to a colourless solution of a salt, a white gelatinous precipitate appears. This precipitate however dissolves on addition of excess of ammonia solution. Identify (choose from Na, Al, Zn, Pb, Fe)
What is the formula of the white gelatinous precipitate obtained?
Name the metal hydroxides which are soluble in ammonium hydroxide solution.
Name the method used for preparation of the following salt from the list given below:
Zinc ion and Lead ion.
How would you distinguish between Zn2+ and Pb2+ using ammonium hydroxide solution?
What would you observe in the following cases:
Ammonium hydroxide is first added in a small quantity and then in excess to a solution of copper sulphate.
Identify the cation of the following case:
NaOH solution when added to solution (C) gives white ppt. which insoluble in excess.
Write balanced equation copper sulphate solution with ammonium hydroxide solution.
Write balanced equation:
Copper sulphate solution with ammonium hydroxide solution.
