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प्रश्न
Using ammonium hydroxide, how would you distinguish between the following pair of ions in solution?
Ferrous ion and Ferric ion.
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उत्तर
Ferrous ion and Ferric ion
(i) \[\ce{FeSO4 + 2NH4OH -> Fe(OH)2 v + (NH4)2SO4}\]
Fe(OH)2 forms dirty green precipitates.
(ii) \[\ce{Fe2(SO4)3 + 6NH4OH -> 2Fe(OH)3 v + 3(NH4)2SO4}\]
Fe(OH)3 forms reddish brown precipitates.
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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
State your observations when ammonium hydroxide solution is added drop by drop and then in excess to each of the following solutions :
1) Copper sulphate solution
2) Zinc sulfate solution.
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.
Fill in the blank.
The salt which will not react with NH4OH solution ______[ZnCl2, CuCl2 / NH4Cl/ FeCl2]
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+ ions, using ammonium hydroxide solution?
State what do you observe when ammonium hydroxide to Iron (III) sulphate solution.
Identify the cation of the following case:
NaOH solution when added to solution (C) gives white ppt. which insoluble in excess.
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.
A ______ coloured precipitate is formed when ammonium hydroxide is added to a solution of ferrous chloride.
