Advertisements
Advertisements
Question
Distinguish by adding:
Sodium hydroxide solution and ammonium hydroxide solution to lead nitrate solution and zinc nitrate solution.
Advertisements
Solution
Sodium hydroxide and ammonium hydroxide on reaction with lead salt gives white gelatinous which is soluble in ppt, while that of with zinc it forms white gelatinous soluble in ppt.
APPEARS IN
RELATED QUESTIONS
Name a yellow monoxide that dissolves in hot and concentrated caustic alkali.
Three test tubes contain calcium nitrate solution, zinc nitrate solution and lead nitrate solution.Describe the effect of Adding sodium hydroxide solution to each portion in turn till it is in excess.
State what do you observe when:
Neutral litmus solution is added to alkaline solution
A white solid A when heated with sodium hydroxide solution, gives a pungent gas B, which turns red litmus blue. The solid, when dissolved in dilute nitric acid and treated with silver nitrate gives a white precipitate of C which is soluble in an ammonia solution.
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
Distinguish by adding:
Sodium hydroxide solution and ammonium hydroxide solution to ferrous nitrate and lead nitrate.
What is observed when hot, concentrated caustic soda solution is added to aluminium? Write a balanced equation.
A student was asked to perform an experiment in the laboratory based on the instructions given:
Observe the picture given below and state one observation for the experiment you would notice on mixing the given solution.
Name the metal hydroxides which are insoluble in caustic soda solution.
