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प्रश्न
Distinguish by adding:
Sodium hydroxide solution and ammonium hydroxide solution to Fe(II) salt solution and Fe(III) salt solution.
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उत्तर
Sodium hydroxide and ammonium hydroxide react with Fe(II) salt to form a dirty green gelatinous precipitate, while with a Fe(III) salt solution, they form a reddish brown insoluble precipitate.
संबंधित प्रश्न
Identify the substance underlined, in the following case:
Cation that does not form a precipitate with ammonium hydroxide but forms one with sodium hydroxide.
Name the kind of particles present in sodium hydroxide solution.
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.
Choose the correct answer from the options given below :
Hydroxide of this metal is soluble is sodium hydroxide solution
Using Sodium hydroxide solution, how would you distinguish: Zinc nitrate solution from calcium nitrate solution.
Using Sodium hydroxide solution, how would you distinguish: Iron(II) chloride from Iron (III) chloride
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) |
Distinguish by adding:
Sodium hydroxide solution and ammonium hydroxide solution to ferrous nitrate and lead nitrate.
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.
Write the word equation when ammonium salt is heated with caustic soda solution.
