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प्रश्न
Distinguish by adding:
Sodium hydroxide solution and ammonium hydroxide solution to copper salt solution and ferrous salt solution.
उत्तर
Sodium hydroxide and ammonium hydroxide react with Copper salt to give a pale blue precipitate, while with a ferrous salt solution, it forms dirty green gelatinous ppt.
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संबंधित प्रश्न
What do you observe when caustic soda solution is added to the following solution, first a little and then in excess:
FeCl3
Write a balanced equation for this reaction.
What do you observe when caustic soda solution is added to the following solution, first a little and then in excess:
ZnSO4
Write a balanced equation for this reaction.
Using sodium hydroxide solution, how will you distinguish:
Iron (II) chloride from iron (III) chloride
Write equation for the reaction that will take place when copper sulphate solution is added to sodium hydroxide solution.
Using Sodium hydroxide solution, how would you distinguish: Zinc nitrate solution from calcium nitrate solution.
Sodium hydroxide solution is added to the solutions containing the ions mentioned in List X. List Y gives the details of the precipitate. Match the ions with their coloured precipitates.
| List X | List Y |
| (i) Pb2+ | (A) Reddish Brown |
| (ii) Fe2+ | (B) White insoluble inexcess |
| (iii) Zn2+ | (C) Dirty green |
| (iv) Fe3+ | (D) White soluble in excess |
| (v) Cu2+ | (E) White soluble in excess |
| (vi) Ca2+ | (F) Blue |
Distinguish by adding:
Sodium hydroxide solution and ammonium hydroxide solution to Fe(II) salt solution and Fe(III) salt solution.
What is observed when hot, concentrated caustic soda solution is added to zinc? Write a balanced equation.
A student was asked to perform an experiment in the laboratory based on the instructions given:
Observe picture given below and state one observation for the experiment you would notice on mixing the given solution.
Write the word equation when ammonium salt is heated with caustic soda solution.
