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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
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उत्तर
Copper chloride
CuCl2 + 2NH4OH → Cu(OH)2↓ + 2NH4Cl
With the excess of NH4OH, the ppt. dissolves.
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संबंधित प्रश्न
State your observations when ammonium hydroxide solution is added drop by drop and then in excess to the following solution:
Copper sulphate solution
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?
How will you distinguish NH4OH solution from NaOH solution?
Choose the correct answer from the options given below :
Which salt solution is soluble in excess of NH4OH
How would you distinguish between Zn2+ and Pb2+ using ammonium hydroxide solution?
Identify the cation of the following case:
NaOH solution when added to solution (A) gives a reddish brown precipitate
The salt solution which does not react with ammonium hydroxide is ______.
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess:
CuSO4
Write a balanced equation for this reaction.
______ is a white precipitate that is soluble in excess of Ammonium hydroxide solution.
Write balanced equation:
Copper sulphate solution with ammonium hydroxide solution.
