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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)
What is the formula of the white gelatinous precipitate obtained?
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उत्तर
Zn(OH)2
संबंधित प्रश्न
How will you distinguish NH4OH solution from NaOH solution?
Name the metal hydroxides which are insoluble in ammonium hydroxide solution.
Using ammonium hydroxide, how would you distinguish between the following pair of ions in solution?
Ferrous ion and Ferric ion.
Name the method used for preparation of the following salt from the list given below:
Zinc ion and Lead ion.
Distinguish between the following pair of compound using the test given within bracket.
Iron (II) Sulpate an and iron(III) using ammonium hydroxide)
Distinguish between the given pair of compounds using the test given within brackets:
A lead salt and a zinc salt (using excess ammonium hydroxide)
Write the observation for the following:
Excess NH4OH is added to a substance obtained by adding hydrochloric acid in silver nitrate solution.
What would you observe in the following cases:
Ammonium hydroxide is first added 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.
