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Question
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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Solution
Lead ions (Pb2+)
\[\ce{Pb(NO3)2 + 2NH4OH -> Pb(OH)2↓ + 2NH4NO3}\]
RELATED QUESTIONS
How will you distinguish between Ammonium hydroxide and Sodium hydroxide using copper sulphate solution?
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CuSO4
Write a balanced equation for this reaction.
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NaOH is added drop-wise till in excess to a solution of zinc sulphate.
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Ammonium hydroxide is first added in a small quantity and then in excess to a solution of copper sulphate.
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______ is a white precipitate that is soluble in excess of Ammonium hydroxide solution.
