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प्रश्न
State two relevant observation of the following:
Ammonium hydroxide solution is added to copper (II) nitrate solution in small quantities and then in excess
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उत्तर
(a) When NH4OH is added to copper (II) nitrate solution in small quantities, a pale blue precipitate is observed.
(b) When added in excess, NH4OH dissolves to give an inky blue solution forming a complex salt.
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संबंधित प्रश्न
Name the metal hydroxides which are insoluble in ammonium hydroxide solution.
Name the metal hydroxides which are soluble in ammonium hydroxide solution.
Fill in the blank.
The salt which will not react with NH4OH solution ______[ZnCl2, CuCl2 / NH4Cl/ FeCl2]
State what do you observe when:
Ammonium hydroxide is added to iron (III) sulphate solution.
How would you distinguish between Zn2+ and Pb2+ ions, using ammonium hydroxide solution?
State two relevant observations of the following:
Ammonium hydroxide solution is added to zinc nitrate solution in minimum quantities and then in excess.
State what do you observe when ammonium hydroxide to Iron (III) sulphate solution.
Write the observation for the following:
Excess NH4OH is added to a substance obtained by adding hydrochloric acid in silver nitrate solution.
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.
Rita was given an unknown salt for identification. She prepared a solution of the salt and divided it into two parts.
- To the first part of the salt solution, she added a few drops of ammonium hydroxide and obtained a reddish-brown precipitate.
- To the second part of the salt solution, she added a few drops of silver nitrate solution and obtained a white precipitate.
Name:
- The cation present and
- The anion present in the salt given for identification.
