Advertisements
Advertisements
प्रश्न
Sodium hydroxide solution is added to solution A. A white precipitate is formed which is soluble in excess sodium hydroxide. Name the metal ion present in A.
Advertisements
उत्तर
The metal ion present in solution A is Pb2+.
APPEARS IN
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.
Name the chloride of a metal which is soluble in excess of ammonium hydroxide. Write equation for the same.
Using sodium hydroxide solution, how will you distinguish: Zinc nitrate solution from calcium nitrate solution
Using sodium hydroxide solution, how will you distinguish:
Iron (II) chloride from iron (III) chloride
Using Sodium hydroxide solution, how would you distinguish: Ammonium sulphate from sodium sulphate.
Sodium hydroxide solution is added first in a small quantity, then in excess to the aqueous salt solutions of copper (II) sulphate, zinc nitrate, lead nitrate, calcium chloride, and iron (III) sulphate. Copy the following table and write the colour of the precipitate in (i) to (v) and the nature of the precipitate (soluble or insoluble) in (vi) to (x).
| Aqueous salt solution | Colour of precipitate when NaOH is added in a small quantity | Nature of precipitate (soluble or insoluble) when NaOH is added in excess |
| Copper (II) sulphate | (i) | (vi) |
| Zinc nitrate | (ii) | (vii) |
| Lead nitrate | (iii) | (viii) |
| Calcium chloride | (iv) | (ix) |
| Iron (III) Sulphate | (v) | (x) |
State your observation of the following case :
When excess sodium hydroxide is added to calcium nitrate solution
What is observed when hot, concentrated caustic soda solution is added to zinc? Write a balanced equation.
What is observed when hot, concentrated caustic soda solution is added to aluminium? Write a balanced equation.
