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प्रश्न
State two relevant observations of the following:
Ammonium hydroxide solution is added to zinc nitrate solution in minimum quantities and then in excess.
State two relevant observations for ammonium hydroxide solution is added to zinc nitrate solution slowly and then in excess.
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उत्तर
- When NH4OH is added to zinc nitrate solution in minimum quantity, it forms a gelatinous white precipitate.
- When added in excess, it dissolves to form a complex salt.
- A white gelatin-like precipitate is formed, which dissolves in excess of ammonium hydroxide.
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संबंधित प्रश्न
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?
Name the metal hydroxides which are soluble in ammonium hydroxide solution.
Using ammonium hydroxide, how would you distinguish between the following pair of ions in solution?
Ferrous ion and Ferric ion.
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?
Write the observation, and balanced equation for the following reaction:
Ammonium hydroxide is added first in a small quantity, and then in excess, to a solution of copper sulphate.
Identify the cation of the following case:
NH4OH solution when added to solution (B) gives white ppt. which does not dissolve in excess.
Write balanced equation:
Copper sulphate solution with ammonium hydroxide solution.
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.
Write balanced equation:
Copper sulphate solution with ammonium hydroxide solution.
