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प्रश्न
Identify the cation in the following case:
Ammonium hydroxide solution when added to Solution B gives a white precipitate which does not dissolve in excess of ammonium hydroxide solution.
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उत्तर
Lead ions (Pb2+)
\[\ce{Pb(NO3)2 + 2NH4OH -> Pb(OH)2↓ + 2NH4NO3}\]
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संबंधित प्रश्न
Choose the correct answer from the options given below:
A chloride which forms a precipitate that is soluble in excess of ammonium hydroxide is:
1) Calcium chloride
2) Ferrous chloride
3) Ferric chloride
4) Copper chloride
What happens when ammonia solution is added first dropwise and then in excess to the following solution:
CuSO4
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)
Which metal salt solution was used?
Name the metal hydroxides which are insoluble in ammonium hydroxide solution.
Distinguish between the given pair of compounds using the test given within brackets:
A lead salt and a zinc salt (using excess ammonium hydroxide)
How would you distinguish between Zn2+ and Pb2+ using ammonium hydroxide solution?
Write the observation for the following:
NaOH is added drop-wise till in excess to a solution of zinc sulphate.
What would you observe in the following case:
Ammonium hydroxide is first added in a small quantity and then in excess to a solution of copper sulphate.
The salt solution which does not react with ammonium hydroxide is ______.
Write balanced equation:
Copper sulphate solution with ammonium hydroxide solution.
